/* roulang page: index */
:root {
    --primary:#2b6ef3; --primary-dark:#1552cc; --primary-light:#eaf1fe;
    --accent:#0fa3a3; --dark:#0f172a; --dark-bg:#0b1120; --bg:#f5f7fb;
    --white:#ffffff; --text:#1e293b; --text-light:#62748e; --border:#e2e8f0;
    --radius:16px; --radius-sm:10px; --radius-lg:24px;
    --shadow-sm:0 2px 8px rgba(15,23,42,.06);
    --shadow:0 8px 32px rgba(15,23,42,.08);
    --shadow-lg:0 16px 48px rgba(15,23,42,.12);
    --transition:all .3s cubic-bezier(.4,0,.2,1);
}
*,*::before,*::after{box-sizing:border-box;margin:0;padding:0}
html{scroll-behavior:smooth}
body{font-family:-apple-system,BlinkMacSystemFont,"Segoe UI","PingFang SC","Hiragino Sans GB","Microsoft YaHei",sans-serif;background:var(--bg);color:var(--text);line-height:1.6;-webkit-font-smoothing:antialiased;font-size:16px}
img{max-width:100%;display:block}
a{color:inherit;text-decoration:none;transition:var(--transition)}
a:focus-visible{outline:3px solid rgba(43,110,243,.4);outline-offset:2px;border-radius:4px}
button{cursor:pointer;border:none;background:none;font-family:inherit}
input,textarea,select{font-family:inherit}
.container{max-width:1200px;margin:0 auto;padding:0 24px}

/* Header-Nav */
.site-header{position:sticky;top:0;z-index:100;background:rgba(255,255,255,.92);backdrop-filter:blur(18px);-webkit-backdrop-filter:blur(18px);border-bottom:1px solid var(--border)}
.header-inner{display:flex;align-items:center;justify-content:space-between;height:72px;gap:16px}
.site-logo{display:flex;align-items:center;gap:12px;font-weight:800;font-size:20px;color:var(--text);white-space:nowrap}
.logo-icon{width:42px;height:42px;border-radius:13px;background:linear-gradient(135deg,var(--primary),#7c3aed);display:flex;align-items:center;justify-content:center;color:#fff;font-size:18px;box-shadow:0 4px 14px rgba(43,110,243,.35);flex-shrink:0}
.logo-text{line-height:1.2}
.logo-text span{color:var(--primary)}
.main-nav{display:flex;align-items:center;gap:6px}
.nav-link{font-size:15px;font-weight:600;color:var(--text-light);padding:8px 18px;border-radius:100px;transition:var(--transition);position:relative}
.nav-link:hover{color:var(--primary);background:var(--primary-light)}
.nav-link.active{color:var(--primary);background:var(--primary-light);font-weight:700}
.header-actions{display:flex;align-items:center;gap:12px}
.btn{display:inline-flex;align-items:center;justify-content:center;gap:8px;font-weight:700;border-radius:var(--radius-sm);padding:12px 24px;font-size:15px;line-height:1;transition:var(--transition);border:2px solid transparent}
.btn-primary{background:var(--primary);color:#fff;box-shadow:0 4px 16px rgba(43,110,243,.3)}
.btn-primary:hover{background:var(--primary-dark);transform:translateY(-2px);box-shadow:0 8px 24px rgba(43,110,243,.4)}
.btn-primary:active{transform:translateY(0)}
.btn-light{background:#fff;color:var(--text);box-shadow:0 4px 16px rgba(0,0,0,.1)}
.btn-light:hover{transform:translateY(-2px);box-shadow:0 8px 24px rgba(0,0,0,.16)}
.btn-ghost{background:transparent;color:#fff;border-color:rgba(255,255,255,.5)}
.btn-ghost:hover{background:rgba(255,255,255,.12);border-color:#fff}
.btn-lg{padding:16px 34px;font-size:16px;border-radius:14px}
.btn-sm{padding:10px 20px;font-size:14px;border-radius:9px}
.menu-toggle{display:none;width:44px;height:44px;border-radius:12px;background:var(--bg);color:var(--text);font-size:18px;align-items:center;justify-content:center}

/* Hero */
.hero{position:relative;min-height:620px;display:flex;align-items:center;color:#fff;overflow:hidden}
.hero-bg{position:absolute;inset:0;background-size:cover;background-position:center;z-index:-2}
.hero::before{content:'';position:absolute;inset:0;background:linear-gradient(135deg,rgba(11,17,32,.92) 0%,rgba(43,110,243,.45) 100%);z-index:-1}
.hero-content{max-width:660px;padding:80px 0}
.hero-badge{display:inline-flex;align-items:center;gap:8px;background:rgba(255,255,255,.14);border:1px solid rgba(255,255,255,.25);padding:8px 18px;border-radius:100px;font-size:14px;font-weight:600;backdrop-filter:blur(10px);-webkit-backdrop-filter:blur(10px);margin-bottom:28px}
.hero-title{font-size:50px;font-weight:900;line-height:1.15;margin-bottom:20px;letter-spacing:-.02em}
.hero-subtitle{font-size:18px;line-height:1.75;opacity:.92;margin-bottom:36px;max-width:560px}
.hero-actions{display:flex;gap:16px;flex-wrap:wrap}
.hero-stats{display:flex;gap:48px;margin-top:64px;flex-wrap:wrap}
.stat-item{display:flex;flex-direction:column}
.stat-item strong{font-size:34px;font-weight:900;line-height:1.2}
.stat-item span{font-size:14px;opacity:.7;margin-top:4px}

/* Section */
.section{padding:96px 0}
.section-alt{background:var(--white)}
.section-dark{background:var(--dark-bg);color:#fff}
.section-header{max-width:640px;margin:0 auto 56px;text-align:center}
.section-tag{display:inline-block;background:var(--primary-light);color:var(--primary);font-size:13px;font-weight:700;padding:6px 18px;border-radius:100px;letter-spacing:.04em;margin-bottom:14px}
.section-header h2{font-size:36px;font-weight:800;margin-bottom:14px;letter-spacing:-.02em;color:var(--text)}
.section-dark .section-header h2{color:#fff}
.section-dark .section-tag{background:rgba(255,255,255,.12);color:#fff}
.section-header p{color:var(--text-light);font-size:16px;line-height:1.7}
.section-dark .section-header p{color:rgba(255,255,255,.55)}

/* Feature Grid */
.feature-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:24px}
.feature-card{background:var(--white);border:1px solid var(--border);border-radius:var(--radius);padding:40px 32px;transition:var(--transition);position:relative;overflow:hidden}
.feature-card::before{content:'';position:absolute;top:0;left:0;right:0;height:3px;background:linear-gradient(90deg,var(--primary),var(--accent));opacity:0;transition:var(--transition)}
.feature-card:hover{transform:translateY(-5px);box-shadow:var(--shadow-lg);border-color:transparent}
.feature-card:hover::before{opacity:1}
.feature-icon{width:56px;height:56px;border-radius:16px;background:var(--primary-light);color:var(--primary);display:flex;align-items:center;justify-content:center;font-size:22px;margin-bottom:22px}
.feature-card h3{font-size:18px;font-weight:700;margin-bottom:10px}
.feature-card p{color:var(--text-light);font-size:15px;line-height:1.65}

/* Category Cards */
.category-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:28px}
.category-card{background:var(--white);border:1px solid var(--border);border-radius:var(--radius);overflow:hidden;transition:var(--transition);display:flex;flex-direction:column}
.category-card:hover{transform:translateY(-6px);box-shadow:var(--shadow-lg)}
.category-cover{height:190px;overflow:hidden;position:relative}
.category-cover img{width:100%;height:100%;object-fit:cover;transition:transform .5s ease}
.category-card:hover .category-cover img{transform:scale(1.05)}
.category-body{padding:28px;flex:1;display:flex;flex-direction:column}
.category-body h3{font-size:20px;font-weight:700;margin-bottom:8px}
.category-body p{color:var(--text-light);font-size:15px;line-height:1.6;margin-bottom:18px;flex:1}
.category-link{color:var(--primary);font-weight:700;font-size:14px;display:inline-flex;align-items:center;gap:6px;transition:var(--transition)}
.category-link:hover{gap:10px;color:var(--primary-dark)}

/* News Cards */
.news-grid{display:grid;grid-template-columns:repeat(2,1fr);gap:24px}
.news-card{background:var(--white);border:1px solid var(--border);border-radius:var(--radius);padding:32px;transition:var(--transition);position:relative}
.news-card:hover{box-shadow:var(--shadow);transform:translateY(-3px);border-color:transparent}
.news-card h3{font-size:18px;font-weight:700;margin-bottom:10px;line-height:1.45;transition:color .3s}
.news-card:hover h3{color:var(--primary)}
.news-card p{color:var(--text-light);font-size:15px;line-height:1.65;margin-bottom:16px;display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden}
.news-meta{display:flex;align-items:center;gap:12px;margin-top:auto}
.news-category{background:var(--primary-light);color:var(--primary);font-size:13px;padding:4px 14px;border-radius:100px;font-weight:600}
.news-date{color:var(--text-light);font-size:13px}
.empty-tip{grid-column:1/-1;text-align:center;color:var(--text-light);padding:48px;font-size:16px}

/* Steps */
.steps-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:32px}
.step-item{text-align:center;position:relative;padding:32px 16px;border-radius:var(--radius);background:rgba(255,255,255,.04);border:1px solid rgba(255,255,255,.06);transition:var(--transition)}
.step-item:hover{background:rgba(255,255,255,.08);transform:translateY(-4px)}
.step-num{font-size:44px;font-weight:900;background:linear-gradient(135deg,var(--primary),var(--accent));-webkit-background-clip:text;-webkit-text-fill-color:transparent;background-clip:text;display:block;margin-bottom:14px;line-height:1.2}
.step-item h3{font-size:17px;font-weight:700;color:#fff;margin-bottom:8px}
.step-item p{color:rgba(255,255,255,.55);font-size:14px;line-height:1.6}

/* FAQ */
.faq-list{max-width:820px;margin:0 auto}
.faq-item{background:var(--white);border:1px solid var(--border);border-radius:var(--radius);padding:28px 32px;margin-bottom:16px;transition:var(--transition);position:relative;padding-left:56px}
.faq-item::before{content:'?';position:absolute;left:24px;top:28px;width:24px;height:24px;background:var(--primary-light);color:var(--primary);border-radius:50%;display:flex;align-items:center;justify-content:center;font-size:13px;font-weight:800}
.faq-item:hover{border-color:var(--primary);box-shadow:var(--shadow-sm)}
.faq-item h3{font-size:17px;font-weight:700;margin-bottom:8px}
.faq-item p{color:var(--text-light);font-size:15px;line-height:1.7}

/* CTA */
.cta-section{padding:80px 0}
.cta-box{background:linear-gradient(135deg,var(--primary) 0%,#7c3aed 100%);border-radius:var(--radius-lg);padding:64px 48px;text-align:center;color:#fff;position:relative;overflow:hidden}
.cta-box::after{content:'';position:absolute;width:300px;height:300px;border-radius:50%;background:rgba(255,255,255,.08);top:-100px;right:-80px}
.cta-box h2{font-size:32px;font-weight:800;margin-bottom:12px;position:relative;z-index:1}
.cta-box p{opacity:.88;font-size:16px;margin-bottom:32px;position:relative;z-index:1}
.cta-box .btn-light{position:relative;z-index:1}

/* Footer */
.site-footer{background:var(--dark-bg);color:#fff;padding:72px 0 32px}
.footer-top{display:grid;grid-template-columns:1.6fr 1fr 1.4fr;gap:48px;margin-bottom:56px}
.footer-brand .logo-text{color:#fff;font-size:22px}
.footer-brand .logo-icon{margin-bottom:16px}
.footer-brand p{color:rgba(255,255,255,.45);font-size:15px;line-height:1.7;margin-top:16px}
.footer-links h4,.footer-contact h4{font-size:16px;font-weight:700;margin-bottom:18px;color:#fff}
.footer-links a{display:block;color:rgba(255,255,255,.55);font-size:14px;padding:5px 0;transition:var(--transition)}
.footer-links a:hover{color:#fff;padding-left:4px}
.footer-contact p{color:rgba(255,255,255,.55);font-size:14px;display:flex;align-items:center;gap:10px;margin-bottom:10px}
.footer-bottom{border-top:1px solid rgba(255,255,255,.1);padding-top:24px;text-align:center;color:rgba(255,255,255,.35);font-size:14px}

/* Article */
.article-section{padding:48px 0}
.breadcrumb{font-size:14px;color:var(--text-light);margin-bottom:32px;display:flex;gap:8px;align-items:center;flex-wrap:wrap}
.breadcrumb a:hover{color:var(--primary)}
.article-card{background:var(--white);border:1px solid var(--border);border-radius:var(--radius);padding:40px}
.article-meta{display:flex;align-items:center;gap:16px;flex-wrap:wrap;margin-bottom:24px;padding-bottom:20px;border-bottom:1px solid var(--border)}
.article-meta span{font-size:14px;color:var(--text-light)}
.article-cat{background:var(--primary-light);color:var(--primary);padding:4px 14px;border-radius:100px;font-weight:600}
.article-body{font-size:16px;line-height:1.9;color:var(--text)}
.article-body h2{font-size:24px;font-weight:700;margin:32px 0 16px;color:var(--text)}
.article-body h3{font-size:20px;font-weight:700;margin:28px 0 14px}
.article-body p{margin-bottom:20px}
.article-body ul,.article-body ol{margin:0 0 24px 24px}
.article-body li{margin-bottom:8px}
.not-found{text-align:center;padding:100px 24px;background:var(--white);border-radius:var(--radius);border:1px solid var(--border)}
.not-found h1{font-size:36px;font-weight:800;margin-bottom:12px}
.not-found p{color:var(--text-light);margin-bottom:32px}

/* Inner Banner */
.page-banner{position:relative;padding:80px 0;color:#fff;background-size:cover;background-position:center}
.page-banner::before{content:'';position:absolute;inset:0;background:linear-gradient(135deg,rgba(11,17,32,.92),rgba(43,110,243,.55));z-index:-1}
.page-banner h1{font-size:40px;font-weight:900;margin-bottom:12px;letter-spacing:-.02em}
.page-banner p{font-size:17px;opacity:.85;max-width:600px;line-height:1.7}

/* Sub Category Cards */
.sub-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:24px}
.sub-card{background:var(--white);border:1px solid var(--border);border-radius:var(--radius);padding:32px;transition:var(--transition)}
.sub-card:hover{transform:translateY(-4px);box-shadow:var(--shadow-lg)}
.sub-card h3{font-size:18px;font-weight:700;margin-bottom:10px}
.sub-card p{color:var(--text-light);font-size:15px;line-height:1.6}
.sub-icon{width:50px;height:50px;border-radius:14px;background:var(--primary-light);color:var(--primary);display:flex;align-items:center;justify-content:center;font-size:20px;margin-bottom:18px}

/* Service List */
.service-list{max-width:760px;margin:0 auto}
.service-item{display:flex;gap:20px;background:var(--white);border:1px solid var(--border);border-radius:var(--radius);padding:28px;margin-bottom:16px;transition:var(--transition);align-items:flex-start}
.service-item:hover{box-shadow:var(--shadow);border-color:transparent}
.service-item .service-icon{width:44px;height:44px;border-radius:12px;background:var(--primary-light);color:var(--primary);display:flex;align-items:center;justify-content:center;font-size:18px;flex-shrink:0}
.service-item h3{font-size:17px;font-weight:700;margin-bottom:6px}
.service-item p{color:var(--text-light);font-size:15px;line-height:1.6}

/* Responsive */
@media(max-width:1024px){
    .feature-grid,.category-grid,.sub-grid{grid-template-columns:repeat(2,1fr)}
    .steps-grid{grid-template-columns:repeat(2,1fr)}
    .footer-top{grid-template-columns:1fr 1fr;gap:32px}
    .hero-stats{gap:32px}
}
@media(max-width:768px){
    .site-header .main-nav{display:none;position:absolute;top:72px;left:0;right:0;background:#fff;flex-direction:column;padding:16px 24px;box-shadow:var(--shadow);border-bottom:1px solid var(--border)}
    .site-header.nav-open .main-nav{display:flex}
    .nav-link{padding:12px 16px;border-radius:10px;font-size:15px}
    .menu-toggle{display:flex}
    .hero{min-height:auto;padding:80px 0}
    .hero-title{font-size:34px}
    .hero-subtitle{font-size:16px}
    .hero-stats{margin-top:40px}
    .section{padding:64px 0}
    .section-header h2{font-size:28px}
    .news-grid{grid-template-columns:1fr}
    .footer-top{grid-template-columns:1fr;gap:28px}
    .page-banner{padding:56px 0}
    .page-banner h1{font-size:28px}
    .article-card{padding:24px}
    .cta-box{padding:40px 24px}
    .cta-box h2{font-size:24px}
}
@media(max-width:520px){
    .header-inner{height:64px}
    .logo-text{font-size:17px}
    .logo-icon{width:36px;height:36px;font-size:15px}
    .hero-title{font-size:28px}
    .hero-actions .btn{width:100%}
    .hero-stats{gap:20px}
    .stat-item strong{font-size:26px}
    .feature-grid,.category-grid,.steps-grid,.sub-grid{grid-template-columns:1fr}
    .section{padding:48px 0}
    .section-header{margin-bottom:36px}
    .section-header h2{font-size:24px}
    .faq-item{padding:24px 20px 24px 48px}
    .faq-item::before{left:16px}
    .cta-box{padding:32px 20px}
    .cta-box h2{font-size:22px}
}

:root{
    --primary:#2b6ef3;--primary-dark:#1552cc;--primary-light:#eaf1fe;--accent:#0fa3a3;
    --dark:#0f172a;--dark-bg:#0b1120;--bg:#f5f7fb;--white:#fff;--text:#1e293b;
    --text-light:#62748e;--border:#e2e8f0;--radius:16px;--radius-sm:10px;--radius-lg:24px;
    --shadow-sm:0 2px 8px rgba(15,23,42,.06);--shadow:0 8px 32px rgba(15,23,42,.08);
    --shadow-lg:0 16px 48px rgba(15,23,42,.12);--transition:all .3s cubic-bezier(.4,0,.2,1);
}
*,*::before,*::after{box-sizing:border-box;margin:0;padding:0}
html{scroll-behavior:smooth}
body{font-family:-apple-system,BlinkMacSystemFont,"Segoe UI","PingFang SC","Hiragino Sans GB","Microsoft YaHei",sans-serif;background:var(--bg);color:var(--text);line-height:1.6;font-size:16px;-webkit-font-smoothing:antialiased}
img{max-width:100%;display:block}
a{color:inherit;text-decoration:none;transition:var(--transition)}
a:focus-visible{outline:3px solid rgba(43,110,243,.4);outline-offset:2px;border-radius:4px}
button{cursor:pointer;border:none;background:none;font-family:inherit}
.container{max-width:1200px;margin:0 auto;padding:0 24px}
.site-header{position:sticky;top:0;z-index:100;background:rgba(255,255,255,.92);backdrop-filter:blur(18px);border-bottom:1px solid var(--border)}
.header-inner{display:flex;align-items:center;justify-content:space-between;height:72px;gap:16px}
.site-logo{display:flex;align-items:center;gap:12px;font-weight:800;font-size:20px;color:var(--text);white-space:nowrap}
.logo-icon{width:42px;height:42px;border-radius:13px;background:linear-gradient(135deg,var(--primary),#7c3aed);display:flex;align-items:center;justify-content:center;color:#fff;font-size:18px;box-shadow:0 4px 14px rgba(43,110,243,.35);flex-shrink:0}
.logo-text span{color:var(--primary)}
.main-nav{display:flex;align-items:center;gap:6px}
.nav-link{font-size:15px;font-weight:600;color:var(--text-light);padding:8px 18px;border-radius:100px;transition:var(--transition)}
.nav-link:hover{color:var(--primary);background:var(--primary-light)}
.nav-link.active{color:var(--primary);background:var(--primary-light);font-weight:700}
.header-actions{display:flex;align-items:center;gap:12px}
.btn{display:inline-flex;align-items:center;justify-content:center;gap:8px;font-weight:700;border-radius:var(--radius-sm);padding:12px 24px;font-size:15px;line-height:1;transition:var(--transition);border:2px solid transparent}
.btn-primary{background:var(--primary);color:#fff;box-shadow:0 4px 16px rgba(43,110,243,.3)}
.btn-primary:hover{background:var(--primary-dark);transform:translateY(-2px);box-shadow:0 8px 24px rgba(43,110,243,.4)}
.btn-sm{padding:10px 20px;font-size:14px;border-radius:9px}
.menu-toggle{display:none;width:44px;height:44px;border-radius:12px;background:var(--bg);color:var(--text);font-size:18px;align-items:center;justify-content:center}
.site-footer{background:var(--dark-bg);color:#fff;padding:72px 0 32px}
.footer-top{display:grid;grid-template-columns:1.6fr 1fr 1.4fr;gap:48px;margin-bottom:56px}
.footer-brand .logo-text{color:#fff;font-size:22px}
.footer-brand .logo-icon{margin-bottom:16px}
.footer-brand p{color:rgba(255,255,255,.45);font-size:15px;line-height:1.7;margin-top:16px}
.footer-links h4,.footer-contact h4{font-size:16px;font-weight:700;margin-bottom:18px;color:#fff}
.footer-links a{display:block;color:rgba(255,255,255,.55);font-size:14px;padding:5px 0;transition:var(--transition)}
.footer-links a:hover{color:#fff;padding-left:4px}
.footer-contact p{color:rgba(255,255,255,.55);font-size:14px;display:flex;align-items:center;gap:10px;margin-bottom:10px}
.footer-bottom{border-top:1px solid rgba(255,255,255,.1);padding-top:24px;text-align:center;color:rgba(255,255,255,.35);font-size:14px}
.article-section{padding:48px 0}
.breadcrumb{font-size:14px;color:var(--text-light);margin-bottom:32px;display:flex;gap:8px;align-items:center;flex-wrap:wrap}
.breadcrumb a:hover{color:var(--primary)}
.article-card{background:var(--white);border:1px solid var(--border);border-radius:var(--radius);padding:48px;box-shadow:var(--shadow-sm)}
.article-header{margin-bottom:32px;border-bottom:1px solid var(--border);padding-bottom:28px}
.article-header h1{font-size:32px;font-weight:800;line-height:1.35;margin-bottom:16px;letter-spacing:-.01em}
.article-meta{display:flex;align-items:center;gap:16px;flex-wrap:wrap}
.article-cat{background:var(--primary-light);color:var(--primary);padding:4px 14px;border-radius:100px;font-weight:600;font-size:13px}
.article-date{color:var(--text-light);font-size:14px}
.article-body{font-size:16px;line-height:1.9;color:var(--text)}
.article-body h2{font-size:24px;font-weight:700;margin:32px 0 16px}
.article-body h3{font-size:20px;font-weight:700;margin:28px 0 14px}
.article-body p{margin-bottom:20px}
.article-body ul,.article-body ol{margin:0 0 24px 24px}
.article-body li{margin-bottom:8px}
.article-body img{margin:24px 0;border-radius:12px}
.not-found{text-align:center;padding:100px 24px;background:var(--white);border-radius:var(--radius);border:1px solid var(--border)}
.not-found h1{font-size:36px;font-weight:800;margin-bottom:12px}
.not-found p{color:var(--text-light);margin-bottom:32px}
.cta-section{padding:64px 0}
.cta-box{background:linear-gradient(135deg,var(--primary),#7c3aed);border-radius:var(--radius-lg);padding:48px;text-align:center;color:#fff}
.cta-box h2{font-size:28px;font-weight:800;margin-bottom:12px}
.cta-box p{opacity:.88;margin-bottom:24px}
.btn-light{background:#fff;color:var(--text);box-shadow:0 4px 16px rgba(0,0,0,.1)}
.btn-light:hover{transform:translateY(-2px);box-shadow:0 8px 24px rgba(0,0,0,.16)}
@media(max-width:768px){
    .site-header .main-nav{display:none;position:absolute;top:72px;left:0;right:0;background:#fff;flex-direction:column;padding:16px 24px;box-shadow:var(--shadow);border-bottom:1px solid var(--border)}
    .site-header.nav-open .main-nav{display:flex}
    .nav-link{padding:12px 16px;border-radius:10px}
    .menu-toggle{display:flex}
    .article-card{padding:24px}
    .article-header h1{font-size:26px}
    .cta-box{padding:32px 24px}
    .footer-top{grid-template-columns:1fr;gap:28px}
}

:root{--primary:#2b6ef3;--primary-dark:#1552cc;--primary-light:#eaf1fe;--accent:#0fa3a3;--dark-bg:#0b1120;--bg:#f5f7fb;--white:#fff;--text:#1e293b;--text-light:#62748e;--border:#e2e8f0;--radius:16px;--radius-sm:10px;--radius-lg:24px;--shadow:0 8px 32px rgba(15,23,42,.08);--shadow-lg:0 16px 48px rgba(15,23,42,.12);--transition:all .3s cubic-bezier(.4,0,.2,1)}
*,*::before,*::after{box-sizing:border-box;margin:0;padding:0}
body{font-family:-apple-system,BlinkMacSystemFont,"Segoe UI","PingFang SC","Hiragino Sans GB","Microsoft YaHei",sans-serif;background:var(--bg);color:var(--text);line-height:1.6;font-size:16px}
img{max-width:100%;display:block}a{color:inherit;text-decoration:none;transition:var(--transition)}
button{cursor:pointer;border:none;background:none}
.container{max-width:1200px;margin:0 auto;padding:0 24px}
.site-header{position:sticky;top:0;z-index:100;background:rgba(255,255,255,.92);backdrop-filter:blur(18px);border-bottom:1px solid var(--border)}
.header-inner{display:flex;align-items:center;justify-content:space-between;height:72px;gap:16px}
.site-logo{display:flex;align-items:center;gap:12px;font-weight:800;font-size:20px;white-space:nowrap}
.logo-icon{width:42px;height:42px;border-radius:13px;background:linear-gradient(135deg,var(--primary),#7c3aed);display:flex;align-items:center;justify-content:center;color:#fff;font-size:18px;box-shadow:0 4px 14px rgba(43,110,243,.35);flex-shrink:0}
.logo-text span{color:var(--primary)}
.main-nav{display:flex;align-items:center;gap:6px}
.nav-link{font-size:15px;font-weight:600;color:var(--text-light);padding:8px 18px;border-radius:100px;transition:var(--transition)}
.nav-link:hover{color:var(--primary);background:var(--primary-light)}
.nav-link.active{color:var(--primary);background:var(--primary-light);font-weight:700}
.header-actions{display:flex;align-items:center;gap:12px}
.btn{display:inline-flex;align-items:center;justify-content:center;gap:8px;font-weight:700;border-radius:var(--radius-sm);padding:12px 24px;font-size:15px;line-height:1;transition:var(--transition);border:2px solid transparent}
.btn-primary{background:var(--primary);color:#fff;box-shadow:0 4px 16px rgba(43,110,243,.3)}
.btn-primary:hover{background:var(--primary-dark);transform:translateY(-2px)}
.btn-sm{padding:10px 20px;font-size:14px;border-radius:9px}
.menu-toggle{display:none;width:44px;height:44px;border-radius:12px;background:var(--bg);color:var(--text);font-size:18px;align-items:center;justify-content:center}
.page-banner{position:relative;padding:80px 0;color:#fff;background-size:cover;background-position:center}
.page-banner::before{content:'';position:absolute;inset:0;background:linear-gradient(135deg,rgba(11,17,32,.92),rgba(43,110,243,.55));z-index:-1}
.page-banner h1{font-size:40px;font-weight:900;margin-bottom:12px}
.page-banner p{font-size:17px;opacity:.85;max-width:600px;line-height:1.7}
.section{padding:80px 0}
.section-alt{background:var(--white)}
.section-header{max-width:640px;margin:0 auto 48px;text-align:center}
.section-tag{display:inline-block;background:var(--primary-light);color:var(--primary);font-size:13px;font-weight:700;padding:6px 18px;border-radius:100px;margin-bottom:14px}
.section-header h2{font-size:32px;font-weight:800;margin-bottom:12px}
.section-header p{color:var(--text-light);font-size:16px}
.sub-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:24px}
.sub-card{background:var(--white);border:1px solid var(--border);border-radius:var(--radius);padding:32px;transition:var(--transition)}
.sub-card:hover{transform:translateY(-4px);box-shadow:var(--shadow-lg)}
.sub-icon{width:50px;height:50px;border-radius:14px;background:var(--primary-light);color:var(--primary);display:flex;align-items:center;justify-content:center;font-size:20px;margin-bottom:18px}
.sub-card h3{font-size:18px;font-weight:700;margin-bottom:10px}
.sub-card p{color:var(--text-light);font-size:15px;line-height:1.6}
.steps-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:32px;margin-top:40px}
.step-item{text-align:center;position:relative;padding:32px 16px;border-radius:var(--radius);background:var(--white);border:1px solid var(--border);transition:var(--transition)}
.step-item:hover{box-shadow:var(--shadow-lg);transform:translateY(-4px)}
.step-num{font-size:40px;font-weight:900;color:var(--primary);display:block;margin-bottom:12px}
.step-item h3{font-size:17px;font-weight:700;margin-bottom:8px}
.step-item p{color:var(--text-light);font-size:14px;line-height:1.6}
.news-grid{display:grid;grid-template-columns:repeat(2,1fr);gap:24px}
.news-card{background:var(--white);border:1px solid var(--border);border-radius:var(--radius);padding:28px;transition:var(--transition)}
.news-card:hover{box-shadow:var(--shadow);transform:translateY(-3px)}
.news-card h3{font-size:17px;font-weight:700;margin-bottom:8px}
.news-card p{color:var(--text-light);font-size:15px;line-height:1.6;display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden;margin-bottom:14px}
.news-meta{display:flex;gap:12px;align-items:center}
.news-category{background:var(--primary-light);color:var(--primary);font-size:13px;padding:4px 12px;border-radius:100px;font-weight:600}
.news-date{color:var(--text-light);font-size:13px}
.empty-tip{grid-column:1/-1;text-align:center;color:var(--text-light);padding:40px}
.cta-box{background:linear-gradient(135deg,var(--primary),#7c3aed);border-radius:var(--radius-lg);padding:56px;text-align:center;color:#fff}
.cta-box h2{font-size:28px;font-weight:800;margin-bottom:12px}
.cta-box p{opacity:.88;margin-bottom:24px}
.btn-light{background:#fff;color:var(--text);box-shadow:0 4px 16px rgba(0,0,0,.1)}
.btn-light:hover{transform:translateY(-2px)}
.site-footer{background:var(--dark-bg);color:#fff;padding:72px 0 32px}
.footer-top{display:grid;grid-template-columns:1.6fr 1fr 1.4fr;gap:48px;margin-bottom:56px}
.footer-brand .logo-text{color:#fff;font-size:22px}
.footer-brand .logo-icon{margin-bottom:16px}
.footer-brand p{color:rgba(255,255,255,.45);font-size:15px;margin-top:16px}
.footer-links h4,.footer-contact h4{font-size:16px;font-weight:700;margin-bottom:18px;color:#fff}
.footer-links a{display:block;color:rgba(255,255,255,.55);font-size:14px;padding:5px 0;transition:var(--transition)}
.footer-links a:hover{color:#fff;padding-left:4px}
.footer-contact p{color:rgba(255,255,255,.55);font-size:14px;display:flex;align-items:center;gap:10px;margin-bottom:10px}
.footer-bottom{border-top:1px solid rgba(255,255,255,.1);padding-top:24px;text-align:center;color:rgba(255,255,255,.35);font-size:14px}
@media(max-width:1024px){.sub-grid,.steps-grid{grid-template-columns:repeat(2,1fr)}.footer-top{grid-template-columns:1fr 1fr}}
@media(max-width:768px){
.site-header .main-nav{display:none;position:absolute;top:72px;left:0;right:0;background:#fff;flex-direction:column;padding:16px 24px;box-shadow:var(--shadow);border-bottom:1px solid var(--border)}
.site-header.nav-open .main-nav{display:flex}.nav-link{padding:12px 16px;border-radius:10px}.menu-toggle{display:flex}
.page-banner{padding:56px 0}.page-banner h1{font-size:28px}.section{padding:56px 0}.section-header h2{font-size:26px}
.news-grid{grid-template-columns:1fr}.cta-box{padding:32px 24px}.footer-top{grid-template-columns:1fr;gap:28px}
}
@media(max-width:520px){.sub-grid,.steps-grid{grid-template-columns:1fr}.section{padding:40px 0}}

:root{--primary:#2b6ef3;--primary-dark:#1552cc;--primary-light:#eaf1fe;--accent:#0fa3a3;--dark-bg:#0b1120;--bg:#f5f7fb;--white:#fff;--text:#1e293b;--text-light:#62748e;--border:#e2e8f0;--radius:16px;--radius-sm:10px;--radius-lg:24px;--shadow:0 8px 32px rgba(15,23,42,.08);--shadow-lg:0 16px 48px rgba(15,23,42,.12);--transition:all .3s cubic-bezier(.4,0,.2,1)}
*,*::before,*::after{box-sizing:border-box;margin:0;padding:0}
body{font-family:-apple-system,BlinkMacSystemFont,"Segoe UI","PingFang SC","Hiragino Sans GB","Microsoft YaHei",sans-serif;background:var(--bg);color:var(--text);line-height:1.6;font-size:16px}
img{max-width:100%;display:block}a{color:inherit;text-decoration:none;transition:var(--transition)}
button{cursor:pointer;border:none;background:none}
.container{max-width:1200px;margin:0 auto;padding:0 24px}
.site-header{position:sticky;top:0;z-index:100;background:rgba(255,255,255,.92);backdrop-filter:blur(18px);border-bottom:1px solid var(--border)}
.header-inner{display:flex;align-items:center;justify-content:space-between;height:72px;gap:16px}
.site-logo{display:flex;align-items:center;gap:12px;font-weight:800;font-size:20px;white-space:nowrap}
.logo-icon{width:42px;height:42px;border-radius:13px;background:linear-gradient(135deg,var(--primary),#7c3aed);display:flex;align-items:center;justify-content:center;color:#fff;font-size:18px;box-shadow:0 4px 14px rgba(43,110,243,.35);flex-shrink:0}
.logo-text span{color:var(--primary)}
.main-nav{display:flex;align-items:center;gap:6px}
.nav-link{font-size:15px;font-weight:600;color:var(--text-light);padding:8px 18px;border-radius:100px;transition:var(--transition)}
.nav-link:hover{color:var(--primary);background:var(--primary-light)}
.nav-link.active{color:var(--primary);background:var(--primary-light);font-weight:700}
.header-actions{display:flex;align-items:center;gap:12px}
.btn{display:inline-flex;align-items:center;justify-content:center;gap:8px;font-weight:700;border-radius:var(--radius-sm);padding:12px 24px;font-size:15px;line-height:1;transition:var(--transition);border:2px solid transparent}
.btn-primary{background:var(--primary);color:#fff;box-shadow:0 4px 16px rgba(43,110,243,.3)}
.btn-primary:hover{background:var(--primary-dark);transform:translateY(-2px)}
.btn-sm{padding:10px 20px;font-size:14px;border-radius:9px}
.menu-toggle{display:none;width:44px;height:44px;border-radius:12px;background:var(--bg);color:var(--text);font-size:18px;align-items:center;justify-content:center}
.page-banner{position:relative;padding:80px 0;color:#fff;background-size:cover;background-position:center}
.page-banner::before{content:'';position:absolute;inset:0;background:linear-gradient(135deg,rgba(11,17,32,.92),rgba(43,110,243,.55));z-index:-1}
.page-banner h1{font-size:40px;font-weight:900;margin-bottom:12px}
.page-banner p{font-size:17px;opacity:.85;max-width:600px;line-height:1.7}
.section{padding:80px 0}
.section-alt{background:var(--white)}
.section-header{max-width:640px;margin:0 auto 48px;text-align:center}
.section-tag{display:inline-block;background:var(--primary-light);color:var(--primary);font-size:13px;font-weight:700;padding:6px 18px;border-radius:100px;margin-bottom:14px}
.section-header h2{font-size:32px;font-weight:800;margin-bottom:12px}
.section-header p{color:var(--text-light);font-size:16px}
.sub-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:24px}
.sub-card{background:var(--white);border:1px solid var(--border);border-radius:var(--radius);padding:32px;transition:var(--transition)}
.sub-card:hover{transform:translateY(-4px);box-shadow:var(--shadow-lg)}
.sub-icon{width:50px;height:50px;border-radius:14px;background:var(--primary-light);color:var(--primary);display:flex;align-items:center;justify-content:center;font-size:20px;margin-bottom:18px}
.sub-card h3{font-size:18px;font-weight:700;margin-bottom:10px}
.sub-card p{color:var(--text-light);font-size:15px;line-height:1.6}
.stats-band{display:grid;grid-template-columns:repeat(3,1fr);gap:24px;background:var(--dark-bg);border-radius:var(--radius-lg);padding:48px;color:#fff}
.stats-band .stat-item{text-align:center}
.stats-band strong{font-size:40px;font-weight:900;display:block;background:linear-gradient(135deg,var(--primary),var(--accent));-webkit-background-clip:text;-webkit-text-fill-color:transparent;background-clip:text}
.stats-band span{color:rgba(255,255,255,.6);font-size:14px;margin-top:6px;display:block}
.news-grid{display:grid;grid-template-columns:repeat(2,1fr);gap:24px}
.news-card{background:var(--white);border:1px solid var(--border);border-radius:var(--radius);padding:28px;transition:var(--transition)}
.news-card:hover{box-shadow:var(--shadow);transform:translateY(-3px)}
.news-card h3{font-size:17px;font-weight:700;margin-bottom:8px}
.news-card p{color:var(--text-light);font-size:15px;line-height:1.6;display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden;margin-bottom:14px}
.news-meta{display:flex;gap:12px;align-items:center}
.news-category{background:var(--primary-light);color:var(--primary);font-size:13px;padding:4px 12px;border-radius:100px;font-weight:600}
.news-date{color:var(--text-light);font-size:13px}
.empty-tip{grid-column:1/-1;text-align:center;color:var(--text-light);padding:40px}
.cta-box{background:linear-gradient(135deg,var(--primary),#7c3aed);border-radius:var(--radius-lg);padding:56px;text-align:center;color:#fff}
.cta-box h2{font-size:28px;font-weight:800;margin-bottom:12px}
.cta-box p{opacity:.88;margin-bottom:24px}
.btn-light{background:#fff;color:var(--text);box-shadow:0 4px 16px rgba(0,0,0,.1)}
.btn-light:hover{transform:translateY(-2px)}
.site-footer{background:var(--dark-bg);color:#fff;padding:72px 0 32px}
.footer-top{display:grid;grid-template-columns:1.6fr 1fr 1.4fr;gap:48px;margin-bottom:56px}
.footer-brand .logo-text{color:#fff;font-size:22px}
.footer-brand .logo-icon{margin-bottom:16px}
.footer-brand p{color:rgba(255,255,255,.45);font-size:15px;margin-top:16px}
.footer-links h4,.footer-contact h4{font-size:16px;font-weight:700;margin-bottom:18px;color:#fff}
.footer-links a{display:block;color:rgba(255,255,255,.55);font-size:14px;padding:5px 0;transition:var(--transition)}
.footer-links a:hover{color:#fff;padding-left:4px}
.footer-contact p{color:rgba(255,255,255,.55);font-size:14px;display:flex;align-items:center;gap:10px;margin-bottom:10px}
.footer-bottom{border-top:1px solid rgba(255,255,255,.1);padding-top:24px;text-align:center;color:rgba(255,255,255,.35);font-size:14px}
@media(max-width:1024px){.sub-grid,.stats-band{grid-template-columns:repeat(2,1fr)}.footer-top{grid-template-columns:1fr 1fr}}
@media(max-width:768px){
.site-header .main-nav{display:none;position:absolute;top:72px;left:0;right:0;background:#fff;flex-direction:column;padding:16px 24px;box-shadow:var(--shadow);border-bottom:1px solid var(--border)}
.site-header.nav-open .main-nav{display:flex}.nav-link{padding:12px 16px;border-radius:10px}.menu-toggle{display:flex}
.page-banner{padding:56px 0}.page-banner h1{font-size:28px}.section{padding:56px 0}.section-header h2{font-size:26px}
.news-grid{grid-template-columns:1fr}.stats-band{grid-template-columns:1fr;padding:32px 24px}.cta-box{padding:32px 24px}.footer-top{grid-template-columns:1fr;gap:28px}
}
@media(max-width:520px){.sub-grid{grid-template-columns:1fr}.section{padding:40px 0}}

:root{--primary:#2b6ef3;--primary-dark:#1552cc;--primary-light:#eaf1fe;--accent:#0fa3a3;--dark-bg:#0b1120;--bg:#f5f7fb;--white:#fff;--text:#1e293b;--text-light:#62748e;--border:#e2e8f0;--radius:16px;--radius-sm:10px;--radius-lg:24px;--shadow:0 8px 32px rgba(15,23,42,.08);--shadow-lg:0 16px 48px rgba(15,23,42,.12);--transition:all .3s cubic-bezier(.4,0,.2,1)}
*,*::before,*::after{box-sizing:border-box;margin:0;padding:0}
body{font-family:-apple-system,BlinkMacSystemFont,"Segoe UI","PingFang SC","Hiragino Sans GB","Microsoft YaHei",sans-serif;background:var(--bg);color:var(--text);line-height:1.6;font-size:16px}
img{max-width:100%;display:block}a{color:inherit;text-decoration:none;transition:var(--transition)}
button{cursor:pointer;border:none;background:none}
.container{max-width:1200px;margin:0 auto;padding:0 24px}
.site-header{position:sticky;top:0;z-index:100;background:rgba(255,255,255,.92);backdrop-filter:blur(18px);border-bottom:1px solid var(--border)}
.header-inner{display:flex;align-items:center;justify-content:space-between;height:72px;gap:16px}
.site-logo{display:flex;align-items:center;gap:12px;font-weight:800;font-size:20px;white-space:nowrap}
.logo-icon{width:42px;height:42px;border-radius:13px;background:linear-gradient(135deg,var(--primary),#7c3aed);display:flex;align-items:center;justify-content:center;color:#fff;font-size:18px;box-shadow:0 4px 14px rgba(43,110,243,.35);flex-shrink:0}
.logo-text span{color:var(--primary)}
.main-nav{display:flex;align-items:center;gap:6px}
.nav-link{font-size:15px;font-weight:600;color:var(--text-light);padding:8px 18px;border-radius:100px;transition:var(--transition)}
.nav-link:hover{color:var(--primary);background:var(--primary-light)}
.nav-link.active{color:var(--primary);background:var(--primary-light);font-weight:700}
.header-actions{display:flex;align-items:center;gap:12px}
.btn{display:inline-flex;align-items:center;justify-content:center;gap:8px;font-weight:700;border-radius:var(--radius-sm);padding:12px 24px;font-size:15px;line-height:1;transition:var(--transition);border:2px solid transparent}
.btn-primary{background:var(--primary);color:#fff;box-shadow:0 4px 16px rgba(43,110,243,.3)}
.btn-primary:hover{background:var(--primary-dark);transform:translateY(-2px)}
.btn-sm{padding:10px 20px;font-size:14px;border-radius:9px}
.menu-toggle{display:none;width:44px;height:44px;border-radius:12px;background:var(--bg);color:var(--text);font-size:18px;align-items:center;justify-content:center}
.page-banner{position:relative;padding:80px 0;color:#fff;background-size:cover;background-position:center}
.page-banner::before{content:'';position:absolute;inset:0;background:linear-gradient(135deg,rgba(11,17,32,.92),rgba(43,110,243,.55));z-index:-1}
.page-banner h1{font-size:40px;font-weight:900;margin-bottom:12px}
.page-banner p{font-size:17px;opacity:.85;max-width:600px;line-height:1.7}
.section{padding:80px 0}
.section-alt{background:var(--white)}
.section-header{max-width:640px;margin:0 auto 48px;text-align:center}
.section-tag{display:inline-block;background:var(--primary-light);color:var(--primary);font-size:13px;font-weight:700;padding:6px 18px;border-radius:100px;margin-bottom:14px}
.section-header h2{font-size:32px;font-weight:800;margin-bottom:12px}
.section-header p{color:var(--text-light);font-size:16px}
.service-list{max-width:780px;margin:0 auto}
.service-item{display:flex;gap:20px;background:var(--white);border:1px solid var(--border);border-radius:var(--radius);padding:28px;margin-bottom:16px;transition:var(--transition);align-items:flex-start}
.service-item:hover{box-shadow:var(--shadow);border-color:transparent;transform:translateY(-2px)}
.service-icon{width:44px;height:44px;border-radius:12px;background:var(--primary-light);color:var(--primary);display:flex;align-items:center;justify-content:center;font-size:18px;flex-shrink:0}
.service-item h3{font-size:17px;font-weight:700;margin-bottom:6px}
.service-item p{color:var(--text-light);font-size:15px;line-height:1.6}
.faq-list{max-width:780px;margin:0 auto}
.faq-item{background:var(--white);border:1px solid var(--border);border-radius:var(--radius);padding:24px 28px;margin-bottom:14px;transition:var(--transition)}
.faq-item:hover{border-color:var(--primary);box-shadow:var(--shadow)}
.faq-item h3{font-size:16px;font-weight:700;margin-bottom:6px}
.faq-item p{color:var(--text-light);font-size:15px;line-height:1.65}
.news-grid{display:grid;grid-template-columns:repeat(2,1fr);gap:24px}
.news-card{background:var(--white);border:1px solid var(--border);border-radius:var(--radius);padding:28px;transition:var(--transition)}
.news-card:hover{box-shadow:var(--shadow);transform:translateY(-3px)}
.news-card h3{font-size:17px;font-weight:700;margin-bottom:8px}
.news-card p{color:var(--text-light);font-size:15px;line-height:1.6;display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden;margin-bottom:14px}
.news-meta{display:flex;gap:12px;align-items:center}
.news-category{background:var(--primary-light);color:var(--primary);font-size:13px;padding:4px 12px;border-radius:100px;font-weight:600}
.news-date{color:var(--text-light);font-size:13px}
.empty-tip{grid-column:1/-1;text-align:center;color:var(--text-light);padding:40px}
.cta-box{background:linear-gradient(135deg,var(--primary),#7c3aed);border-radius:var(--radius-lg);padding:56px;text-align:center;color:#fff}
.cta-box h2{font-size:28px;font-weight:800;margin-bottom:12px}
.cta-box p{opacity:.88;margin-bottom:24px}
.btn-light{background:#fff;color:var(--text);box-shadow:0 4px 16px rgba(0,0,0,.1)}
.btn-light:hover{transform:translateY(-2px)}
.site-footer{background:var(--dark-bg);color:#fff;padding:72px 0 32px}
.footer-top{display:grid;grid-template-columns:1.6fr 1fr 1.4fr;gap:48px;margin-bottom:56px}
.footer-brand .logo-text{color:#fff;font-size:22px}
.footer-brand .logo-icon{margin-bottom:16px}
.footer-brand p{color:rgba(255,255,255,.45);font-size:15px;margin-top:16px}
.footer-links h4,.footer-contact h4{font-size:16px;font-weight:700;margin-bottom:18px;color:#fff}
.footer-links a{display:block;color:rgba(255,255,255,.55);font-size:14px;padding:5px 0;transition:var(--transition)}
.footer-links a:hover{color:#fff;padding-left:4px}
.footer-contact p{color:rgba(255,255,255,.55);font-size:14px;display:flex;align-items:center;gap:10px;margin-bottom:10px}
.footer-bottom{border-top:1px solid rgba(255,255,255,.1);padding-top:24px;text-align:center;color:rgba(255,255,255,.35);font-size:14px}
@media(max-width:1024px){.footer-top{grid-template-columns:1fr 1fr}}
@media(max-width:768px){
.site-header .main-nav{display:none;position:absolute;top:72px;left:0;right:0;background:#fff;flex-direction:column;padding:16px 24px;box-shadow:var(--shadow);border-bottom:1px solid var(--border)}
.site-header.nav-open .main-nav{display:flex}.nav-link{padding:12px 16px;border-radius:10px}.menu-toggle{display:flex}
.page-banner{padding:56px 0}.page-banner h1{font-size:28px}.section{padding:56px 0}.section-header h2{font-size:26px}
.news-grid{grid-template-columns:1fr}.service-item{flex-direction:column}.cta-box{padding:32px 24px}.footer-top{grid-template-columns:1fr;gap:28px}
}
@media(max-width:520px){.section{padding:40px 0}}

/* roulang page: category1 */
:root {
  --primary: #0a1128;
  --primary-light: #16214a;
  --accent: #e94560;
  --accent-hover: #ff5f7a;
  --accent-light: #fdeef0;
  --gold: #f6c453;
  --bg-light: #f8f9fc;
  --bg-white: #ffffff;
  --bg-dark: #0d1530;
  --text-main: #1a2233;
  --text-body: #4a5268;
  --text-light: #8a92a8;
  --border: #e6e9f2;
  --radius-lg: 20px;
  --radius-md: 14px;
  --radius-sm: 8px;
  --shadow-sm: 0 2px 12px rgba(10, 17, 40, 0.06);
  --shadow-md: 0 8px 30px rgba(10, 17, 40, 0.10);
  --shadow-lg: 0 20px 60px rgba(10, 17, 40, 0.14);
  --transition: all 0.3s ease;
}

* {
  box-sizing: border-box;
  margin: 0;
  padding: 0;
}

html {
  scroll-behavior: smooth;
}

body {
  font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", "PingFang SC", "Hiragino Sans GB", "Microsoft YaHei", "Helvetica Neue", Arial, sans-serif;
  background: var(--bg-light);
  color: var(--text-body);
  line-height: 1.7;
  font-size: 16px;
  -webkit-font-smoothing: antialiased;
}

img {
  max-width: 100%;
  display: block;
}

a {
  text-decoration: none;
  color: inherit;
  transition: var(--transition);
}

button, input, select, textarea {
  font-family: inherit;
}

.container {
  max-width: 1200px;
  margin: 0 auto;
  padding: 0 24px;
  width: 100%;
}

/* ===== Header / Nav ===== */
.site-header {
  position: sticky;
  top: 0;
  z-index: 1000;
  background: rgba(10, 17, 40, 0.96);
  backdrop-filter: blur(14px);
  -webkit-backdrop-filter: blur(14px);
  border-bottom: 1px solid rgba(255, 255, 255, 0.06);
  box-shadow: 0 4px 30px rgba(0, 0, 0, 0.18);
}

.header-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: 76px;
  max-width: 1320px;
  margin: 0 auto;
  padding: 0 28px;
  width: 100%;
}

.logo {
  display: flex;
  align-items: center;
  gap: 12px;
  flex-shrink: 0;
}

.logo-icon {
  width: 42px;
  height: 42px;
  background: linear-gradient(135deg, var(--accent), #ff8c5a);
  border-radius: 12px;
  display: flex;
  align-items: center;
  justify-content: center;
  color: #fff;
  font-size: 18px;
  box-shadow: 0 4px 16px rgba(233, 69, 96, 0.35);
  flex-shrink: 0;
}

.logo-text {
  color: #fff;
  font-size: 20px;
  font-weight: 800;
  letter-spacing: 1px;
  white-space: nowrap;
}

.nav-wrap {
  display: flex;
  align-items: center;
  gap: 8px;
}

.main-nav {
  display: flex;
  align-items: center;
  gap: 6px;
}

.nav-link {
  color: rgba(255, 255, 255, 0.75);
  font-size: 15px;
  font-weight: 500;
  padding: 8px 18px;
  border-radius: 30px;
  transition: var(--transition);
  letter-spacing: 0.3px;
}

.nav-link:hover {
  color: #fff;
  background: rgba(255, 255, 255, 0.08);
}

.nav-link.active {
  background: linear-gradient(135deg, var(--accent), #ff8c5a);
  color: #fff;
  font-weight: 600;
  box-shadow: 0 4px 20px rgba(233, 69, 96, 0.3);
}

.header-cta {
  display: flex;
  align-items: center;
  gap: 14px;
  margin-left: 12px;
}

.nav-search {
  position: relative;
}

.nav-search input {
  width: 180px;
  height: 40px;
  background: rgba(255, 255, 255, 0.08);
  border: 1px solid rgba(255, 255, 255, 0.12);
  border-radius: 30px;
  padding: 0 16px 0 42px;
  color: #fff;
  font-size: 14px;
  outline: none;
  transition: var(--transition);
}

.nav-search input::placeholder {
  color: rgba(255, 255, 255, 0.4);
}

.nav-search input:focus {
  background: rgba(255, 255, 255, 0.14);
  border-color: rgba(233, 69, 96, 0.6);
  width: 220px;
}

.nav-search i {
  position: absolute;
  left: 16px;
  top: 50%;
  transform: translateY(-50%);
  color: rgba(255, 255, 255, 0.45);
  font-size: 14px;
}

.nav-toggle {
  display: none;
  width: 44px;
  height: 44px;
  background: rgba(255, 255, 255, 0.08);
  border: 1px solid rgba(255, 255, 255, 0.12);
  border-radius: 10px;
  color: #fff;
  font-size: 18px;
  cursor: pointer;
  align-items: center;
  justify-content: center;
}

/* ===== Page Banner / Hero ===== */
.page-banner {
  position: relative;
  padding: 100px 0 90px;
  background: linear-gradient(135deg, #0a1128 0%, #16214a 50%, #1a2c62 100%);
  overflow: hidden;
}

.page-banner::before {
  content: "";
  position: absolute;
  top: -40%;
  right: -10%;
  width: 600px;
  height: 600px;
  background: radial-gradient(circle, rgba(233, 69, 96, 0.15) 0%, transparent 70%);
  border-radius: 50%;
}

.page-banner::after {
  content: "";
  position: absolute;
  bottom: -30%;
  left: -5%;
  width: 400px;
  height: 400px;
  background: radial-gradient(circle, rgba(246, 196, 83, 0.10) 0%, transparent 70%);
  border-radius: 50%;
}

.banner-inner {
  position: relative;
  z-index: 2;
  display: grid;
  grid-template-columns: 1.2fr 0.8fr;
  gap: 60px;
  align-items: center;
}

.banner-content .tag {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  background: rgba(255, 255, 255, 0.10);
  border: 1px solid rgba(255, 255, 255, 0.16);
  color: var(--gold);
  font-size: 13px;
  font-weight: 600;
  padding: 6px 18px;
  border-radius: 30px;
  margin-bottom: 24px;
  letter-spacing: 0.5px;
}

.banner-content h1 {
  color: #fff;
  font-size: 42px;
  font-weight: 800;
  line-height: 1.25;
  margin-bottom: 20px;
  letter-spacing: 1px;
}

.banner-content h1 span {
  background: linear-gradient(90deg, var(--accent), #ff8c5a, var(--gold));
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}

.banner-content p {
  color: rgba(255, 255, 255, 0.7);
  font-size: 17px;
  line-height: 1.8;
  margin-bottom: 32px;
  max-width: 560px;
}

.banner-cta {
  display: flex;
  gap: 16px;
  flex-wrap: wrap;
}

.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  padding: 12px 28px;
  border-radius: 30px;
  font-size: 15px;
  font-weight: 600;
  border: none;
  cursor: pointer;
  transition: var(--transition);
  letter-spacing: 0.3px;
}

.btn-primary {
  background: linear-gradient(135deg, var(--accent), #ff6b4a);
  color: #fff;
  box-shadow: 0 8px 24px rgba(233, 69, 96, 0.35);
}

.btn-primary:hover {
  transform: translateY(-3px);
  box-shadow: 0 12px 32px rgba(233, 69, 96, 0.45);
  color: #fff;
}

.btn-outline {
  background: transparent;
  color: #fff;
  border: 1.5px solid rgba(255, 255, 255, 0.3);
}

.btn-outline:hover {
  border-color: var(--accent);
  background: rgba(233, 69, 96, 0.15);
  color: #fff;
  transform: translateY(-3px);
}

.banner-visual {
  position: relative;
}

.visual-card {
  background: rgba(255, 255, 255, 0.04);
  border: 1px solid rgba(255, 255, 255, 0.10);
  border-radius: var(--radius-lg);
  backdrop-filter: blur(10px);
  padding: 32px;
  box-shadow: 0 24px 60px rgba(0, 0, 0, 0.3);
}

.visual-card .vc-header {
  display: flex;
  align-items: center;
  gap: 12px;
  margin-bottom: 24px;
}

.visual-card .vc-dot {
  width: 12px;
  height: 12px;
  border-radius: 50%;
  background: var(--accent);
}

.visual-card .vc-dot:nth-child(2) { background: var(--gold); }
.visual-card .vc-dot:nth-child(3) { background: #4bc5a4; }

.visual-card h3 {
  color: #fff;
  font-size: 16px;
  font-weight: 600;
  margin-left: auto;
  letter-spacing: 0.5px;
}

.vc-stats {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 14px;
  margin-bottom: 20px;
}

.vc-stat {
  background: rgba(255, 255, 255, 0.06);
  border-radius: var(--radius-md);
  padding: 16px;
  text-align: center;
}

.vc-stat .num {
  color: #fff;
  font-size: 28px;
  font-weight: 800;
  line-height: 1.2;
}

.vc-stat .label {
  color: rgba(255, 255, 255, 0.6);
  font-size: 13px;
  margin-top: 4px;
}

.vc-list {
  background: rgba(0, 0, 0, 0.22);
  border-radius: var(--radius-md);
  padding: 16px 20px;
}

.vc-list-item {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 8px 0;
  border-bottom: 1px solid rgba(255, 255, 255, 0.06);
  font-size: 14px;
  color: rgba(255, 255, 255, 0.8);
}

.vc-list-item:last-child {
  border-bottom: none;
}

.vc-list-item i {
  color: var(--gold);
  font-size: 14px;
  width: 20px;
}

.vc-list-item .badge-sm {
  background: rgba(233, 69, 96, 0.3);
  color: #ffa8b6;
  font-size: 12px;
  padding: 2px 10px;
  border-radius: 20px;
}

/* ===== Breadcrumb ===== */
.crumb-bar {
  background: #fff;
  border-bottom: 1px solid var(--border);
  padding: 16px 0;
}

.crumb-bar .container {
  display: flex;
  align-items: center;
  gap: 10px;
  font-size: 14px;
  color: var(--text-light);
}

.crumb-bar a {
  color: var(--text-light);
}

.crumb-bar a:hover {
  color: var(--accent);
}

.crumb-bar .sep {
  color: #c0c8d8;
}

.crumb-bar .current {
  color: var(--text-main);
  font-weight: 500;
}

/* ===== Section ===== */
.section {
  padding: 90px 0;
}

.section-alt {
  background: var(--bg-white);
}

.section-head {
  text-align: center;
  max-width: 680px;
  margin: 0 auto 56px;
}

.section-tag {
  display: inline-block;
  color: var(--accent);
  font-size: 13px;
  font-weight: 700;
  letter-spacing: 2px;
  background: var(--accent-light);
  padding: 6px 18px;
  border-radius: 30px;
  margin-bottom: 16px;
}

.section-head h2 {
  font-size: 36px;
  font-weight: 800;
  color: var(--text-main);
  line-height: 1.3;
  margin-bottom: 14px;
}

.section-head p {
  font-size: 16px;
  color: var(--text-light);
  line-height: 1.8;
}

/* ===== Support Channels ===== */
.support-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 24px;
}

.support-card {
  background: var(--bg-white);
  border-radius: var(--radius-lg);
  padding: 36px 28px;
  border: 1px solid var(--border);
  text-align: center;
  transition: var(--transition);
  position: relative;
  overflow: hidden;
}

.support-card::before {
  content: "";
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 4px;
  background: linear-gradient(90deg, var(--accent), #ff8c5a);
  opacity: 0;
  transition: var(--transition);
  border-radius: 0 0 10px 10px;
}

.support-card:hover {
  transform: translateY(-8px);
  box-shadow: var(--shadow-md);
  border-color: transparent;
}

.support-card:hover::before {
  opacity: 1;
}

.support-icon {
  width: 68px;
  height: 68px;
  margin: 0 auto 20px;
  background: linear-gradient(135deg, rgba(233, 69, 96, 0.08), rgba(255, 140, 90, 0.12));
  border-radius: 20px;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 26px;
  color: var(--accent);
  transition: var(--transition);
}

.support-card:hover .support-icon {
  background: linear-gradient(135deg, var(--accent), #ff8c5a);
  color: #fff;
  transform: scale(1.05);
  box-shadow: 0 8px 24px rgba(233, 69, 96, 0.3);
}

.support-card h3 {
  font-size: 19px;
  color: var(--text-main);
  font-weight: 700;
  margin-bottom: 10px;
}

.support-card p {
  font-size: 14px;
  line-height: 1.7;
  color: var(--text-light);
  margin-bottom: 16px;
}

.support-link {
  font-size: 14px;
  font-weight: 600;
  color: var(--accent);
  display: inline-flex;
  align-items: center;
  gap: 6px;
}

.support-link i {
  font-size: 12px;
  transition: var(--transition);
}

.support-link:hover {
  gap: 10px;
}

/* ===== Service Process ===== */
.process-section {
  background: var(--bg-dark);
  position: relative;
  overflow: hidden;
}

.process-section .section-head h2 {
  color: #fff;
}

.process-section .section-head p {
  color: rgba(255, 255, 255, 0.6);
}

.process-section .section-tag {
  background: rgba(233, 69, 96, 0.2);
  color: #ff8ca3;
}

.process-steps {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 40px;
  position: relative;
}

.process-steps::before {
  content: "";
  position: absolute;
  top: 40px;
  left: 10%;
  right: 10%;
  height: 2px;
  background: linear-gradient(90deg, rgba(233, 69, 96, 0.2), rgba(233, 69, 96, 0.6), rgba(255, 140, 90, 0.2));
}

.process-step {
  text-align: center;
  position: relative;
  z-index: 2;
}

.step-num {
  width: 80px;
  height: 80px;
  margin: 0 auto 24px;
  background: linear-gradient(135deg, var(--primary-light), var(--bg-dark));
  border: 2px solid rgba(233, 69, 96, 0.4);
  border-radius: 24px;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 28px;
  font-weight: 800;
  color: #fff;
  box-shadow: 0 0 30px rgba(233, 69, 96, 0.15);
  position: relative;
}

.step-num::after {
  content: attr(data-hint);
  position: absolute;
  bottom: -30px;
  left: 50%;
  transform: translateX(-50%);
  font-size: 0;
  width: 0;
  height: 0;
}

.process-step h3 {
  color: #fff;
  font-size: 19px;
  font-weight: 700;
  margin-bottom: 10px;
}

.process-step p {
  color: rgba(255, 255, 255, 0.55);
  font-size: 14px;
  line-height: 1.7;
  max-width: 220px;
  margin: 0 auto;
}

/* ===== Support Content Cards ===== */
.content-cards-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 30px;
}

.content-card {
  background: var(--bg-white);
  border-radius: var(--radius-lg);
  overflow: hidden;
  border: 1px solid var(--border);
  transition: var(--transition);
  display: flex;
  flex-direction: column;
}

.content-card:hover {
  transform: translateY(-8px);
  box-shadow: var(--shadow-md);
}

.card-img {
  position: relative;
  overflow: hidden;
  height: 200px;
}

.card-img img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: transform 0.5s ease;
}

.content-card:hover .card-img img {
  transform: scale(1.05);
}

.card-img::after {
  content: "";
  position: absolute;
  inset: 0;
  background: linear-gradient(to top, rgba(0, 0, 0, 0.4) 0%, transparent 40%);
}

.card-tag {
  position: absolute;
  top: 14px;
  left: 14px;
  z-index: 2;
  background: rgba(233, 69, 96, 0.9);
  color: #fff;
  font-size: 12px;
  font-weight: 600;
  padding: 4px 14px;
  border-radius: 20px;
  backdrop-filter: blur(4px);
}

.card-body {
  padding: 24px;
  flex: 1;
  display: flex;
  flex-direction: column;
}

.card-body h3 {
  font-size: 18px;
  font-weight: 700;
  color: var(--text-main);
  margin-bottom: 10px;
  line-height: 1.5;
  transition: var(--transition);
}

.content-card:hover .card-body h3 {
  color: var(--accent);
}

.card-body p {
  font-size: 14px;
  color: var(--text-light);
  line-height: 1.7;
  flex: 1;
}

.card-meta {
  display: flex;
  align-items: center;
  justify-content: space-between;
  margin-top: 20px;
  padding-top: 16px;
  border-top: 1px solid var(--border);
}

.card-meta span {
  font-size: 13px;
  color: var(--text-light);
  display: flex;
  align-items: center;
  gap: 6px;
}

.card-meta a {
  font-size: 14px;
  color: var(--accent);
  font-weight: 600;
  display: flex;
  align-items: center;
  gap: 4px;
}

.card-meta a:hover {
  gap: 8px;
}

/* ===== FAQ ===== */
.faq-section {
  background: var(--bg-white);
}

.faq-list {
  max-width: 920px;
  margin: 0 auto;
}

.faq-item {
  background: var(--bg-light);
  border-radius: var(--radius-md);
  border: 1px solid var(--border);
  margin-bottom: 14px;
  overflow: hidden;
  transition: var(--transition);
}

.faq-item:hover {
  border-color: rgba(233, 69, 96, 0.3);
  box-shadow: var(--shadow-sm);
}

.faq-question {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 22px 28px;
  cursor: pointer;
  font-size: 16px;
  font-weight: 600;
  color: var(--text-main);
  background: transparent;
  border: none;
  width: 100%;
  text-align: left;
  transition: var(--transition);
}

.faq-question:hover {
  color: var(--accent);
}

.faq-question .arrow {
  width: 32px;
  height: 32px;
  background: #fff;
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 13px;
  color: var(--text-light);
  transition: var(--transition);
  flex-shrink: 0;
  box-shadow: var(--shadow-sm);
}

.faq-item.open .faq-question {
  color: var(--accent);
}

.faq-item.open .arrow {
  background: var(--accent);
  color: #fff;
  transform: rotate(180deg);
}

.faq-answer {
  max-height: 0;
  overflow: hidden;
  transition: max-height 0.4s ease, padding 0.4s ease;
  padding: 0 28px;
}

.faq-item.open .faq-answer {
  max-height: 300px;
  padding: 0 28px 24px;
}

.faq-answer p {
  font-size: 15px;
  color: var(--text-body);
  line-height: 1.8;
  border-left: 3px solid var(--accent);
  padding-left: 16px;
}

/* ===== Contact CTA ===== */
.cta-section {
  padding: 80px 0;
  position: relative;
  background: linear-gradient(135deg, #0a1128 0%, #1a2c62 100%);
  overflow: hidden;
}

.cta-section::before {
  content: "";
  position: absolute;
  width: 400px;
  height: 400px;
  background: radial-gradient(circle, rgba(233, 69, 96, 0.2), transparent 70%);
  top: -100px;
  right: -50px;
}

.cta-section::after {
  content: "";
  position: absolute;
  width: 300px;
  height: 300px;
  background: radial-gradient(circle, rgba(246, 196, 83, 0.12), transparent 70%);
  bottom: -100px;
  left: -50px;
}

.cta-box {
  position: relative;
  z-index: 2;
  display: grid;
  grid-template-columns: 1.2fr 0.8fr;
  gap: 50px;
  align-items: center;
}

.cta-text h2 {
  color: #fff;
  font-size: 34px;
  font-weight: 800;
  line-height: 1.3;
  margin-bottom: 16px;
}

.cta-text p {
  color: rgba(255, 255, 255, 0.65);
  font-size: 16px;
  line-height: 1.8;
  margin-bottom: 28px;
}

.cta-actions {
  display: flex;
  gap: 16px;
  flex-wrap: wrap;
}

.cta-info {
  background: rgba(255, 255, 255, 0.05);
  border: 1px solid rgba(255, 255, 255, 0.1);
  border-radius: var(--radius-lg);
  padding: 36px;
  backdrop-filter: blur(10px);
}

.cta-info h3 {
  color: #fff;
  font-size: 18px;
  margin-bottom: 20px;
  display: flex;
  align-items: center;
  gap: 10px;
}

.cta-info h3 i {
  color: var(--gold);
}

.cta-info-item {
  display: flex;
  align-items: flex-start;
  gap: 14px;
  padding: 12px 0;
  border-bottom: 1px solid rgba(255, 255, 255, 0.06);
}

.cta-info-item:last-child {
  border-bottom: none;
}

.cta-info-item i {
  width: 38px;
  height: 38px;
  background: rgba(233, 69, 96, 0.15);
  border-radius: 10px;
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--accent);
  font-size: 15px;
  flex-shrink: 0;
}

.cta-info-item .text {
  color: rgba(255, 255, 255, 0.75);
  font-size: 14px;
  line-height: 1.6;
}

.cta-info-item .text strong {
  display: block;
  color: #fff;
  font-size: 15px;
  margin-bottom: 2px;
}

/* ===== Footer ===== */
.site-footer {
  background: var(--bg-dark);
  padding: 70px 0 0;
  color: rgba(255, 255, 255, 0.55);
}

.footer-top {
  display: grid;
  grid-template-columns: 1.4fr 1fr 1.2fr;
  gap: 60px;
  padding-bottom: 50px;
  border-bottom: 1px solid rgba(255, 255, 255, 0.08);
}

.footer-brand .logo-icon {
  width: 46px;
  height: 46px;
  font-size: 20px;
}

.footer-brand .logo-text {
  font-size: 22px;
}

.footer-brand p {
  margin-top: 20px;
  font-size: 15px;
  line-height: 1.8;
  color: rgba(255, 255, 255, 0.5);
  max-width: 300px;
}

.footer-links h4,
.footer-contact h4 {
  color: #fff;
  font-size: 17px;
  font-weight: 700;
  margin-bottom: 24px;
  position: relative;
  padding-bottom: 12px;
}

.footer-links h4::after,
.footer-contact h4::after {
  content: "";
  position: absolute;
  left: 0;
  bottom: 0;
  width: 32px;
  height: 3px;
  background: linear-gradient(90deg, var(--accent), #ff8c5a);
  border-radius: 4px;
}

.footer-links a {
  display: block;
  padding: 7px 0;
  color: rgba(255, 255, 255, 0.5);
  font-size: 15px;
  transition: var(--transition);
}

.footer-links a:hover {
  color: #fff;
  padding-left: 8px;
}

.footer-contact p {
  display: flex;
  align-items: center;
  gap: 12px;
  padding: 7px 0;
  font-size: 15px;
  color: rgba(255, 255, 255, 0.5);
}

.footer-contact p i {
  color: var(--accent);
  width: 20px;
  text-align: center;
}

.footer-bottom {
  padding: 24px 0;
  text-align: center;
  font-size: 14px;
  color: rgba(255, 255, 255, 0.35);
}

/* ===== Back to top ===== */
.back-top {
  position: fixed;
  right: 30px;
  bottom: 30px;
  width: 48px;
  height: 48px;
  background: linear-gradient(135deg, var(--accent), #ff8c5a);
  border: none;
  border-radius: 50%;
  color: #fff;
  font-size: 18px;
  cursor: pointer;
  box-shadow: 0 8px 24px rgba(233, 69, 96, 0.4);
  z-index: 99;
  opacity: 0;
  visibility: hidden;
  transform: translateY(20px);
  transition: var(--transition);
  display: flex;
  align-items: center;
  justify-content: center;
}

.back-top.visible {
  opacity: 1;
  visibility: visible;
  transform: translateY(0);
}

.back-top:hover {
  transform: translateY(-4px);
  box-shadow: 0 12px 32px rgba(233, 69, 96, 0.5);
}

/* ===== Responsive ===== */
@media (max-width: 1024px) {
  .support-grid {
    grid-template-columns: repeat(2, 1fr);
  }
  .process-steps {
    grid-template-columns: repeat(2, 1fr);
    gap: 50px 30px;
  }
  .process-steps::before {
    display: none;
  }
  .content-cards-grid {
    grid-template-columns: repeat(2, 1fr);
  }
  .banner-inner {
    grid-template-columns: 1fr;
    gap: 40px;
  }
  .banner-visual {
    max-width: 560px;
  }
  .cta-box {
    grid-template-columns: 1fr;
  }
  .footer-top {
    grid-template-columns: 1fr 1fr;
    gap: 40px;
  }
}

@media (max-width: 768px) {
  .header-inner {
    height: 68px;
    padding: 0 16px;
  }
  .nav-search {
    display: none;
  }
  .nav-toggle {
    display: flex;
  }
  .nav-wrap {
    position: fixed;
    top: 68px;
    left: 0;
    right: 0;
    background: var(--primary);
    flex-direction: column;
    align-items: stretch;
    gap: 0;
    padding: 12px 20px 20px;
    transform: translateY(-20px);
    opacity: 0;
    visibility: hidden;
    transition: var(--transition);
    border-bottom: 1px solid rgba(255, 255, 255, 0.06);
    box-shadow: 0 20px 40px rgba(0, 0, 0, 0.3);
  }
  .nav-wrap.open {
    transform: translateY(0);
    opacity: 1;
    visibility: visible;
  }
  .main-nav {
    flex-direction: column;
    align-items: stretch;
    width: 100%;
  }
  .nav-link {
    padding: 14px 18px;
    border-radius: 12px;
    border-bottom: 1px solid rgba(255, 255, 255, 0.04);
  }
  .nav-link.active {
    background: linear-gradient(135deg, rgba(233, 69, 96, 0.2), rgba(255, 140, 90, 0.15));
    box-shadow: none;
  }
  .logo-text {
    font-size: 17px;
  }
  .banner-content h1 {
    font-size: 30px;
  }
  .support-grid {
    grid-template-columns: 1fr;
  }
  .content-cards-grid {
    grid-template-columns: 1fr;
  }
  .process-steps {
    grid-template-columns: 1fr;
  }
  .footer-top {
    grid-template-columns: 1fr;
    gap: 32px;
  }
  .section {
    padding: 60px 0;
  }
  .page-banner {
    padding: 70px 0 60px;
  }
  .banner-cta {
    flex-direction: column;
  }
  .btn {
    width: 100%;
  }
  .cta-actions {
    flex-direction: column;
  }
  .section-head h2 {
    font-size: 28px;
  }
  .vc-stats {
    grid-template-columns: 1fr 1fr;
  }
}

@media (max-width: 520px) {
  .container {
    padding: 0 16px;
  }
  .logo-icon {
    width: 38px;
    height: 38px;
    font-size: 16px;
  }
  .logo-text {
    font-size: 15px;
    letter-spacing: 0;
  }
  .banner-content h1 {
    font-size: 26px;
  }
  .banner-content p {
    font-size: 15px;
  }
  .vc-stats {
    grid-template-columns: 1fr;
  }
  .visual-card {
    padding: 24px;
  }
  .faq-question {
    padding: 18px 20px;
    font-size: 15px;
  }
  .faq-answer p {
    font-size: 14px;
  }
  .cta-info {
    padding: 24px;
  }
  .cta-text h2 {
    font-size: 26px;
  }
  .back-top {
    right: 16px;
    bottom: 16px;
    width: 42px;
    height: 42px;
  }
}

/* roulang page: category2 */
/* ============ 设计变量 ============ */
:root {
  --primary: #16233f;
  --primary-light: #2b3f68;
  --primary-dark: #0c1424;
  --accent: #f05a28;
  --accent-hover: #ff6e3d;
  --accent-light: #fff0ea;
  --bg: #f4f6fb;
  --bg-white: #ffffff;
  --bg-deep: #0d1b2e;
  --text: #19202e;
  --text-muted: #5f6b81;
  --text-light: #9aa8bf;
  --border: #e5e9f2;
  --border-dark: #c9d2e0;
  --radius-sm: 8px;
  --radius-md: 16px;
  --radius-lg: 28px;
  --radius-pill: 100px;
  --shadow-sm: 0 2px 10px rgba(18, 24, 46, 0.06);
  --shadow-md: 0 10px 32px rgba(18, 24, 46, 0.10);
  --shadow-lg: 0 24px 60px rgba(18, 24, 46, 0.16);
  --transition: all 0.28s cubic-bezier(0.4, 0, 0.2, 1);
  --font-body: "PingFang SC", "Hiragino Sans GB", "Microsoft YaHei", "Noto Sans SC", sans-serif;
}

/* ============ 基础 Reset ============ */
*, *::before, *::after {
  box-sizing: border-box;
  margin: 0;
  padding: 0;
}

html {
  scroll-behavior: smooth;
  font-size: 16px;
}

body {
  font-family: var(--font-body);
  background: var(--bg);
  color: var(--text);
  line-height: 1.7;
  -webkit-font-smoothing: antialiased;
  overflow-x: hidden;
}

img {
  max-width: 100%;
  height: auto;
  display: block;
}

a {
  text-decoration: none;
  color: inherit;
  transition: var(--transition);
}

a:focus-visible,
button:focus-visible,
input:focus-visible {
  outline: 3px solid rgba(240, 90, 40, 0.4);
  outline-offset: 2px;
}

ul, ol {
  list-style: none;
}

h1, h2, h3, h4, h5, h6 {
  font-weight: 700;
  line-height: 1.3;
  color: var(--text);
}

.container {
  max-width: 1200px;
  margin: 0 auto;
  padding: 0 24px;
}

/* ============ Header / Nav ============ */
.site-header {
  position: sticky;
  top: 0;
  z-index: 1000;
  background: rgba(255, 255, 255, 0.92);
  backdrop-filter: blur(18px);
  -webkit-backdrop-filter: blur(18px);
  border-bottom: 1px solid var(--border);
  box-shadow: 0 2px 20px rgba(18, 24, 46, 0.05);
}

.header-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 16px 0;
  gap: 20px;
}

.logo {
  display: flex;
  align-items: center;
  gap: 12px;
  flex-shrink: 0;
}

.logo-icon {
  width: 44px;
  height: 44px;
  border-radius: 12px;
  background: linear-gradient(135deg, var(--primary-light), var(--primary));
  color: #fff;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 20px;
  box-shadow: 0 6px 18px rgba(22, 35, 63, 0.25);
}

.logo-text {
  font-size: 22px;
  font-weight: 800;
  color: var(--primary);
  letter-spacing: 0.5px;
  white-space: nowrap;
}

.logo-text em {
  font-style: normal;
  color: var(--accent);
}

.main-nav {
  display: flex;
  align-items: center;
  gap: 4px;
  background: var(--bg);
  padding: 5px;
  border-radius: var(--radius-pill);
  border: 1px solid var(--border);
}

.nav-link {
  display: inline-flex;
  align-items: center;
  padding: 10px 20px;
  border-radius: var(--radius-pill);
  font-size: 15px;
  font-weight: 500;
  color: var(--text-muted);
  white-space: nowrap;
  transition: var(--transition);
}

.nav-link:hover {
  color: var(--primary);
  background: rgba(255, 255, 255, 0.7);
}

.nav-link.active {
  background: var(--primary);
  color: #fff;
  box-shadow: 0 4px 14px rgba(22, 35, 63, 0.28);
}

.header-actions {
  display: flex;
  align-items: center;
  gap: 12px;
  flex-shrink: 0;
}

.nav-toggle {
  display: none;
  width: 46px;
  height: 46px;
  border: 1px solid var(--border);
  border-radius: 12px;
  background: var(--bg-white);
  color: var(--primary);
  font-size: 20px;
  cursor: pointer;
  align-items: center;
  justify-content: center;
  transition: var(--transition);
}

.nav-toggle:hover {
  background: var(--accent-light);
  border-color: var(--accent);
  color: var(--accent);
}

/* ============ Banner / Hero ============ */
.category-banner {
  position: relative;
  padding: 110px 0 90px;
  background: linear-gradient(135deg, rgba(13, 27, 46, 0.92), rgba(22, 35, 63, 0.82)),
              url('/assets/images/backpic/back-2.png') center/cover no-repeat;
  color: #fff;
  border-radius: 0 0 50px 50px;
  overflow: hidden;
}

.category-banner::after {
  content: '';
  position: absolute;
  bottom: -60px;
  right: -40px;
  width: 320px;
  height: 320px;
  background: radial-gradient(circle, rgba(240, 90, 40, 0.2), transparent 70%);
  border-radius: 50%;
}

.banner-badge {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  background: rgba(255, 255, 255, 0.12);
  border: 1px solid rgba(255, 255, 255, 0.22);
  color: #fff;
  padding: 8px 18px;
  border-radius: var(--radius-pill);
  font-size: 14px;
  font-weight: 500;
  margin-bottom: 24px;
  backdrop-filter: blur(4px);
}

.banner-badge i {
  color: var(--accent);
}

.category-banner h1 {
  font-size: 52px;
  line-height: 1.2;
  color: #fff;
  margin-bottom: 18px;
  max-width: 640px;
  letter-spacing: -1px;
}

.category-banner h1 span {
  color: var(--accent);
  position: relative;
}

.category-banner p {
  font-size: 18px;
  color: rgba(255, 255, 255, 0.8);
  max-width: 600px;
  margin-bottom: 36px;
  line-height: 1.8;
}

.banner-buttons {
  display: flex;
  flex-wrap: wrap;
  gap: 14px;
}

.btn {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  padding: 14px 32px;
  border-radius: var(--radius-pill);
  font-size: 15px;
  font-weight: 600;
  border: none;
  cursor: pointer;
  transition: var(--transition);
}

.btn-primary {
  background: var(--accent);
  color: #fff;
  box-shadow: 0 8px 24px rgba(240, 90, 40, 0.35);
}

.btn-primary:hover {
  background: var(--accent-hover);
  transform: translateY(-2px);
  box-shadow: 0 12px 30px rgba(240, 90, 40, 0.4);
  color: #fff;
}

.btn-outline-light {
  background: transparent;
  color: #fff;
  border: 1.5px solid rgba(255, 255, 255, 0.5);
}

.btn-outline-light:hover {
  background: rgba(255, 255, 255, 0.12);
  border-color: #fff;
  transform: translateY(-2px);
  color: #fff;
}

.banner-stats {
  display: flex;
  gap: 32px;
  margin-top: 48px;
  flex-wrap: wrap;
}

.banner-stat {
  display: flex;
  flex-direction: column;
  gap: 2px;
}

.banner-stat strong {
  font-size: 36px;
  font-weight: 800;
  color: #fff;
  line-height: 1.1;
}

.banner-stat span {
  font-size: 14px;
  color: rgba(255, 255, 255, 0.6);
}

/* ============ Section 通用 ============ */
.section {
  padding: 90px 0;
}

.section-head {
  display: flex;
  align-items: flex-end;
  justify-content: space-between;
  gap: 30px;
  margin-bottom: 48px;
  flex-wrap: wrap;
}

.section-head h2 {
  font-size: 36px;
  font-weight: 800;
  letter-spacing: -0.5px;
  margin-bottom: 10px;
}

.section-head .subtitle {
  color: var(--text-muted);
  font-size: 16px;
  max-width: 520px;
  line-height: 1.7;
}

.section-tag {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  color: var(--accent);
  font-weight: 600;
  font-size: 14px;
  background: var(--accent-light);
  border-radius: var(--radius-pill);
  padding: 6px 16px;
  margin-bottom: 14px;
}

/* ============ 分类 Tabs ============ */
.category-tabs-wrap {
  margin-top: -30px;
  position: relative;
  z-index: 2;
}

.category-tabs {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
  background: var(--bg-white);
  border-radius: var(--radius-lg);
  padding: 18px;
  box-shadow: var(--shadow-md);
  border: 1px solid var(--border);
}

.tab-chip {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 10px 22px;
  border-radius: var(--radius-pill);
  background: var(--bg);
  border: 1px solid var(--border);
  font-size: 15px;
  font-weight: 500;
  color: var(--text-muted);
  cursor: pointer;
  transition: var(--transition);
}

.tab-chip i {
  color: var(--accent);
  font-size: 14px;
  opacity: 0.7;
}

.tab-chip:hover {
  border-color: var(--accent);
  color: var(--accent);
  background: var(--accent-light);
  transform: translateY(-2px);
}

.tab-chip.active {
  background: var(--primary);
  color: #fff;
  border-color: var(--primary);
  box-shadow: 0 6px 18px rgba(22, 35, 63, 0.25);
}

.tab-chip.active i {
  color: #fff;
  opacity: 1;
}

/* ============ 赛事卡片 ============ */
.match-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 28px;
}

.match-card {
  background: var(--bg-white);
  border-radius: var(--radius-md);
  overflow: hidden;
  border: 1px solid var(--border);
  box-shadow: var(--shadow-sm);
  transition: var(--transition);
  display: flex;
  flex-direction: column;
}

.match-card:hover {
  transform: translateY(-6px);
  box-shadow: var(--shadow-md);
  border-color: var(--border-dark);
}

.match-card-media {
  position: relative;
  height: 200px;
  overflow: hidden;
  background: var(--bg-deep);
}

.match-card-media img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: transform 0.5s ease;
}

.match-card:hover .match-card-media img {
  transform: scale(1.06);
}

.match-card-tag {
  position: absolute;
  top: 16px;
  left: 16px;
  background: rgba(22, 35, 63, 0.9);
  color: #fff;
  padding: 6px 14px;
  border-radius: var(--radius-pill);
  font-size: 13px;
  font-weight: 600;
  backdrop-filter: blur(4px);
  z-index: 2;
}

.match-card-body {
  padding: 24px;
  flex: 1;
  display: flex;
  flex-direction: column;
}

.match-card-body h3 {
  font-size: 19px;
  margin-bottom: 10px;
  line-height: 1.4;
  transition: var(--transition);
}

.match-card:hover .match-card-body h3 {
  color: var(--accent);
}

.match-card-body p {
  color: var(--text-muted);
  font-size: 14px;
  line-height: 1.7;
  flex: 1;
}

.match-card-meta {
  display: flex;
  align-items: center;
  justify-content: space-between;
  margin-top: 20px;
  padding-top: 16px;
  border-top: 1px solid var(--border);
  font-size: 13px;
  color: var(--text-muted);
}

.match-card-meta .time {
  display: inline-flex;
  align-items: center;
  gap: 6px;
}

.match-card-meta .status-live {
  color: var(--accent);
  font-weight: 700;
  display: inline-flex;
  align-items: center;
  gap: 6px;
}

.status-live .dot {
  width: 8px;
  height: 8px;
  border-radius: 50%;
  background: var(--accent);
  animation: pulse 1.2s infinite;
}

@keyframes pulse {
  0%, 100% { opacity: 1; transform: scale(1); }
  50% { opacity: 0.4; transform: scale(0.7); }
}

/* ============ 数据面板 ============ */
.stats-panel {
  position: relative;
  padding: 80px 0;
  background: linear-gradient(135deg, var(--bg-deep), var(--primary-dark)),
              url('/assets/images/backpic/back-1.png') center/cover no-repeat;
  color: #fff;
  border-radius: 32px;
  margin: 20px 0;
  overflow: hidden;
}

.stats-panel::before {
  content: '';
  position: absolute;
  top: -100px;
  right: -80px;
  width: 300px;
  height: 300px;
  background: radial-gradient(circle, rgba(240, 90, 40, 0.25), transparent 70%);
  border-radius: 50%;
}

.stats-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 30px;
  text-align: center;
  position: relative;
  z-index: 2;
}

.stat-item {
  padding: 30px 16px;
  background: rgba(255, 255, 255, 0.06);
  border: 1px solid rgba(255, 255, 255, 0.1);
  border-radius: var(--radius-md);
  backdrop-filter: blur(6px);
  transition: var(--transition);
}

.stat-item:hover {
  background: rgba(255, 255, 255, 0.1);
  transform: translateY(-4px);
}

.stat-item i {
  font-size: 30px;
  color: var(--accent);
  margin-bottom: 14px;
  display: block;
}

.stat-item .num {
  font-size: 42px;
  font-weight: 800;
  color: #fff;
  line-height: 1.15;
}

.stat-item .label {
  font-size: 14px;
  color: rgba(255, 255, 255, 0.6);
  margin-top: 8px;
}

/* ============ 深度专题 ============ */
.feature-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 28px;
}

.feature-card {
  background: var(--bg-white);
  border-radius: var(--radius-lg);
  overflow: hidden;
  box-shadow: var(--shadow-sm);
  border: 1px solid var(--border);
  transition: var(--transition);
  display: flex;
  flex-direction: column;
}

.feature-card:hover {
  box-shadow: var(--shadow-md);
  transform: translateY(-4px);
}

.feature-card-media {
  position: relative;
  height: 180px;
  overflow: hidden;
}

.feature-card-media img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: transform 0.6s ease;
}

.feature-card:hover .feature-card-media img {
  transform: scale(1.08);
}

.feature-card-media::after {
  content: '';
  position: absolute;
  inset: 0;
  background: linear-gradient(to top, rgba(13, 27, 46, 0.4), transparent 50%);
}

.feature-card-body {
  padding: 28px;
  flex: 1;
  display: flex;
  flex-direction: column;
}

.feature-card-body .quote {
  font-size: 13px;
  color: var(--accent);
  font-weight: 700;
  margin-bottom: 10px;
  text-transform: uppercase;
  letter-spacing: 1px;
}

.feature-card-body h3 {
  font-size: 20px;
  margin-bottom: 12px;
  line-height: 1.4;
}

.feature-card-body p {
  color: var(--text-muted);
  font-size: 14px;
  line-height: 1.75;
  flex: 1;
}

.feature-card-footer {
  display: flex;
  align-items: center;
  justify-content: space-between;
  margin-top: 22px;
  padding-top: 16px;
  border-top: 1px solid var(--border);
  font-size: 13px;
  color: var(--text-muted);
}

.feature-card-footer .read-more {
  color: var(--accent);
  font-weight: 600;
  display: inline-flex;
  align-items: center;
  gap: 6px;
}

.feature-card-footer .read-more:hover {
  gap: 10px;
  color: var(--accent-hover);
}

/* ============ 资讯时间线 ============ */
.timeline-wrap {
  background: var(--bg-white);
  border-radius: var(--radius-lg);
  border: 1px solid var(--border);
  box-shadow: var(--shadow-sm);
  padding: 40px;
}

.timeline-item {
  display: flex;
  gap: 24px;
  padding: 28px 0;
  border-bottom: 1px solid var(--border);
  transition: var(--transition);
}

.timeline-item:last-child {
  border-bottom: none;
  padding-bottom: 0;
}

.timeline-item:hover {
  padding-left: 12px;
}

.timeline-dot {
  margin-top: 6px;
  width: 16px;
  height: 16px;
  border-radius: 50%;
  background: var(--accent);
  border: 4px solid var(--accent-light);
  flex-shrink: 0;
  position: relative;
}

.timeline-item:nth-child(4n+2) .timeline-dot {
  background: var(--primary-light);
  border-color: rgba(43, 63, 104, 0.15);
}

.timeline-item:nth-child(4n+3) .timeline-dot {
  background: #e8a33d;
  border-color: #fdf3e0;
}

.timeline-item:nth-child(4n+4) .timeline-dot {
  background: #3d9a85;
  border-color: #e2f4f0;
}

.timeline-content {
  flex: 1;
}

.timeline-content .time {
  font-size: 13px;
  color: var(--text-light);
  display: block;
  margin-bottom: 8px;
}

.timeline-content h3 {
  font-size: 18px;
  margin-bottom: 8px;
  line-height: 1.4;
}

.timeline-content p {
  font-size: 14px;
  color: var(--text-muted);
  margin-bottom: 10px;
  max-width: 780px;
}

.timeline-tags {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
}

.tag {
  display: inline-flex;
  align-items: center;
  gap: 4px;
  padding: 4px 14px;
  border-radius: var(--radius-pill);
  background: var(--bg);
  border: 1px solid var(--border);
  font-size: 13px;
  color: var(--text-muted);
  transition: var(--transition);
}

.tag:hover {
  background: var(--accent-light);
  border-color: var(--accent);
  color: var(--accent);
}

/* ============ FAQ ============ */
.faq-list {
  max-width: 860px;
  margin: 0 auto;
}

.faq-item {
  background: var(--bg-white);
  border: 1px solid var(--border);
  border-radius: var(--radius-md);
  padding: 28px 32px;
  margin-bottom: 16px;
  transition: var(--transition);
  cursor: pointer;
}

.faq-item:hover {
  border-color: var(--border-dark);
  box-shadow: var(--shadow-sm);
}

.faq-item.active {
  border-color: var(--accent);
  box-shadow: 0 8px 24px rgba(240, 90, 40, 0.1);
}

.faq-question {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 20px;
  font-size: 17px;
  font-weight: 600;
  color: var(--text);
  margin: 0;
}

.faq-question i {
  color: var(--accent);
  font-size: 20px;
  transition: transform 0.4s ease;
  flex-shrink: 0;
}

.faq-item.active .faq-question i {
  transform: rotate(45deg);
}

.faq-answer {
  max-height: 0;
  overflow: hidden;
  transition: max-height 0.35s ease;
}

.faq-item.active .faq-answer {
  max-height: 200px;
}

.faq-answer p {
  padding-top: 16px;
  font-size: 15px;
  color: var(--text-muted);
  line-height: 1.8;
  border-top: 1px solid var(--border);
  margin-top: 16px;
}

/* ============ CTA ============ */
.cta-section {
  background: linear-gradient(135deg, var(--primary), var(--primary-light));
  border-radius: 32px;
  padding: 60px;
  position: relative;
  overflow: hidden;
  color: #fff;
  margin-bottom: 90px;
}

.cta-section::before {
  content: '';
  position: absolute;
  top: -40px;
  right: -40px;
  width: 240px;
  height: 240px;
  background: radial-gradient(circle, rgba(240, 90, 40, 0.4), transparent 70%);
  border-radius: 50%;
}

.cta-inner {
  position: relative;
  z-index: 2;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 40px;
  flex-wrap: wrap;
}

.cta-text h2 {
  color: #fff;
  font-size: 32px;
  margin-bottom: 12px;
}

.cta-text p {
  color: rgba(255, 255, 255, 0.75);
  font-size: 16px;
  max-width: 520px;
}

.cta-actions {
  display: flex;
  gap: 14px;
  flex-wrap: wrap;
}

/* ============ 页脚 ============ */
.site-footer {
  background: var(--bg-deep);
  color: rgba(255, 255, 255, 0.7);
  padding: 70px 0 24px;
}

.footer-top {
  display: grid;
  grid-template-columns: 1.4fr 1fr 1fr;
  gap: 50px;
  margin-bottom: 48px;
}

.footer-brand .logo-text {
  color: #fff;
}

.footer-brand .logo-text em {
  color: var(--accent);
}

.footer-brand .logo-icon {
  background: var(--accent);
  box-shadow: 0 6px 20px rgba(240, 90, 40, 0.3);
}

.footer-brand p {
  font-size: 14px;
  line-height: 1.8;
  color: rgba(255, 255, 255, 0.5);
  margin-top: 18px;
  max-width: 320px;
}

.footer-links h4,
.footer-contact h4 {
  color: #fff;
  font-size: 16px;
  margin-bottom: 20px;
  font-weight: 600;
}

.footer-links a {
  display: block;
  padding: 6px 0;
  font-size: 14px;
  color: rgba(255, 255, 255, 0.5);
  transition: var(--transition);
}

.footer-links a:hover {
  color: var(--accent);
  padding-left: 6px;
}

.footer-contact p {
  font-size: 14px;
  color: rgba(255, 255, 255, 0.5);
  margin-bottom: 12px;
  display: flex;
  align-items: center;
  gap: 10px;
}

.footer-contact i {
  color: var(--accent);
  width: 16px;
}

.footer-bottom {
  border-top: 1px solid rgba(255, 255, 255, 0.08);
  padding-top: 22px;
  text-align: center;
  font-size: 13px;
  color: rgba(255, 255, 255, 0.35);
}

/* ============ 响应式 ============ */
@media screen and (max-width: 1024px) {
  .container {
    padding: 0 20px;
  }

  .header-inner {
    flex-wrap: wrap;
    gap: 14px;
  }

  .main-nav {
    order: 3;
    width: 100%;
    overflow-x: auto;
    justify-content: flex-start;
    padding: 6px;
  }

  .nav-link {
    padding: 10px 16px;
    font-size: 14px;
  }

  .match-grid,
  .feature-grid {
    grid-template-columns: repeat(2, 1fr);
  }

  .stats-grid {
    grid-template-columns: repeat(2, 1fr);
  }

  .section {
    padding: 70px 0;
  }

  .category-banner {
    padding: 90px 0 70px;
  }

  .category-banner h1 {
    font-size: 42px;
  }
}

@media screen and (max-width: 768px) {
  .header-inner {
    padding: 12px 0;
  }

  .logo-text {
    font-size: 19px;
  }

  .header-actions {
    display: flex;
  }

  .nav-toggle {
    display: flex;
  }

  .main-nav {
    display: none;
    position: absolute;
    top: 100%;
    left: 0;
    right: 0;
    flex-direction: column;
    background: var(--bg-white);
    border-radius: 0 0 20px 20px;
    box-shadow: var(--shadow-lg);
    padding: 20px;
    overflow: visible;
    border: none;
    border-bottom: 2px solid var(--accent);
  }

  .main-nav.open {
    display: flex;
  }

  .nav-link {
    width: 100%;
    justify-content: flex-start;
    border-radius: 12px;
    padding: 14px 18px;
    border-bottom: 1px solid var(--border);
  }

  .nav-link:last-child {
    border-bottom: none;
  }

  .nav-link.active {
    background: var(--accent-light);
    color: var(--accent);
    box-shadow: none;
  }

  .category-banner {
    padding: 70px 0 60px;
    border-radius: 0 0 32px 32px;
  }

  .category-banner h1 {
    font-size: 34px;
  }

  .category-banner p {
    font-size: 16px;
  }

  .banner-stats {
    gap: 20px;
  }

  .banner-stat strong {
    font-size: 28px;
  }

  .match-grid,
  .feature-grid {
    grid-template-columns: 1fr;
  }

  .section-head h2 {
    font-size: 28px;
  }

  .stats-grid {
    grid-template-columns: 1fr 1fr;
    gap: 16px;
  }

  .stat-item .num {
    font-size: 32px;
  }

  .stats-panel {
    padding: 50px 0;
    border-radius: 24px;
  }

  .timeline-wrap {
    padding: 24px;
  }

  .timeline-item {
    flex-direction: column;
    gap: 14px;
  }

  .timeline-dot {
    display: none;
  }

  .cta-section {
    padding: 40px 28px;
    border-radius: 24px;
  }

  .cta-text h2 {
    font-size: 26px;
  }

  .footer-top {
    grid-template-columns: 1fr;
    gap: 36px;
  }

  .faq-item {
    padding: 22px 20px;
  }

  .faq-question {
    font-size: 15px;
  }
}

@media screen and (max-width: 520px) {
  .container {
    padding: 0 16px;
  }

  html {
    font-size: 14px;
  }

  .logo-text {
    font-size: 17px;
    white-space: normal;
    line-height: 1.3;
  }

  .logo-icon {
    width: 38px;
    height: 38px;
    font-size: 17px;
  }

  .category-banner h1 {
    font-size: 28px;
  }

  .banner-buttons .btn {
    width: 100%;
    justify-content: center;
  }

  .banner-stats {
    flex-direction: column;
    gap: 14px;
  }

  .category-tabs {
    padding: 14px;
    gap: 8px;
  }

  .tab-chip {
    padding: 8px 14px;
    font-size: 13px;
  }

  .stats-grid {
    grid-template-columns: 1fr;
  }

  .stat-item {
    padding: 20px;
  }

  .section-head {
    flex-direction: column;
    align-items: flex-start;
  }

  .section-head h2 {
    font-size: 24px;
  }

  .timeline-content h3 {
    font-size: 16px;
  }

  .cta-actions .btn {
    width: 100%;
    justify-content: center;
  }

  .footer-bottom {
    font-size: 12px;
    line-height: 1.6;
  }
}

/* roulang page: category3 */
:root {
  --primary: #2563eb;
  --primary-dark: #1e40af;
  --primary-light: #3b82f6;
  --accent: #f97316;
  --accent-dark: #ea580c;
  --dark: #0f172a;
  --dark-2: #1e293b;
  --bg: #f8fafc;
  --bg-soft: #eff6ff;
  --white: #ffffff;
  --text: #1e293b;
  --text-muted: #64748b;
  --text-light: #94a3b8;
  --border: #e2e8f0;
  --radius-sm: 8px;
  --radius: 14px;
  --radius-lg: 22px;
  --shadow-sm: 0 2px 10px rgba(15, 23, 42, 0.06);
  --shadow: 0 8px 30px rgba(15, 23, 42, 0.08);
  --shadow-lg: 0 16px 50px rgba(15, 23, 42, 0.12);
  --transition: 0.3s cubic-bezier(0.4, 0, 0.2, 1);
  --space-section: 92px;
}

* {
  box-sizing: border-box;
  margin: 0;
  padding: 0;
}

html {
  scroll-behavior: smooth;
}

body {
  font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", "PingFang SC", "Hiragino Sans GB", "Microsoft YaHei", "Noto Sans CJK SC", sans-serif;
  font-size: 16px;
  line-height: 1.7;
  color: var(--text);
  background: var(--bg);
  -webkit-font-smoothing: antialiased;
}

img {
  max-width: 100%;
  height: auto;
  display: block;
}

a {
  color: inherit;
  text-decoration: none;
  transition: color var(--transition);
}

ul, ol {
  list-style: none;
}

button, input, select, textarea {
  font-family: inherit;
  font-size: inherit;
  border: none;
  outline: none;
  background: none;
}

.container {
  max-width: 1200px;
  margin: 0 auto;
  padding: 0 24px;
}

/* ============ Header ============ */
.site-header {
  position: sticky;
  top: 0;
  z-index: 100;
  background: rgba(255, 255, 255, 0.92);
  backdrop-filter: blur(14px);
  border-bottom: 1px solid var(--border);
  box-shadow: 0 1px 6px rgba(15, 23, 42, 0.04);
}

.header-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: 72px;
  gap: 20px;
}

.brand-logo {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  flex-shrink: 0;
}

.logo-icon {
  width: 38px;
  height: 38px;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  background: linear-gradient(135deg, var(--primary), var(--primary-light));
  color: #fff;
  font-size: 16px;
  border-radius: 10px;
  box-shadow: 0 4px 12px rgba(37, 99, 235, 0.3);
}

.logo-text {
  font-size: 19px;
  font-weight: 800;
  color: var(--dark);
  letter-spacing: 0.3px;
  white-space: nowrap;
}

.main-nav {
  display: flex;
  align-items: center;
  gap: 6px;
  background: var(--bg-soft);
  padding: 5px;
  border-radius: 40px;
}

.nav-link {
  display: inline-block;
  padding: 8px 18px;
  border-radius: 30px;
  font-size: 14.5px;
  font-weight: 600;
  color: var(--text-muted);
  transition: all var(--transition);
  white-space: nowrap;
}

.nav-link:hover {
  color: var(--primary);
  background: rgba(37, 99, 235, 0.08);
}

.nav-link.active {
  background: var(--primary);
  color: #fff;
  box-shadow: 0 4px 14px rgba(37, 99, 235, 0.35);
}

.header-cta {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 10px 20px;
  background: var(--dark);
  color: #fff;
  border-radius: 30px;
  font-size: 14px;
  font-weight: 600;
  transition: all var(--transition);
  flex-shrink: 0;
}

.header-cta:hover {
  background: var(--primary);
  transform: translateY(-2px);
  box-shadow: 0 8px 20px rgba(37, 99, 235, 0.3);
}

.nav-toggle {
  display: none;
  width: 42px;
  height: 42px;
  border-radius: 10px;
  background: var(--bg-soft);
  color: var(--dark);
  font-size: 18px;
  align-items: center;
  justify-content: center;
  cursor: pointer;
  flex-shrink: 0;
}

/* ============ Page Hero ============ */
.page-hero {
  position: relative;
  background: linear-gradient(135deg, rgba(15, 23, 42, 0.92), rgba(30, 64, 175, 0.85)), url('/assets/images/backpic/back-3.png') center/cover no-repeat;
  padding: 110px 0 90px;
  color: #fff;
  overflow: hidden;
}

.page-hero::after {
  content: '';
  position: absolute;
  right: -120px;
  top: -120px;
  width: 380px;
  height: 380px;
  border-radius: 50%;
  background: radial-gradient(circle, rgba(59, 130, 246, 0.4), transparent 70%);
}

.page-hero .container {
  position: relative;
  z-index: 2;
}

.hero-badge {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 8px 18px;
  background: rgba(255, 255, 255, 0.14);
  border: 1px solid rgba(255, 255, 255, 0.2);
  border-radius: 30px;
  font-size: 13px;
  font-weight: 600;
  letter-spacing: 0.5px;
  color: rgba(255, 255, 255, 0.9);
  margin-bottom: 24px;
  backdrop-filter: blur(6px);
}

.page-hero h1 {
  font-size: 46px;
  line-height: 1.25;
  font-weight: 800;
  letter-spacing: -0.5px;
  margin-bottom: 18px;
}

.page-hero h1 span {
  background: linear-gradient(90deg, #60a5fa, #fbbf24);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
}

.page-hero p.lead {
  font-size: 18px;
  line-height: 1.8;
  color: rgba(255, 255, 255, 0.85);
  max-width: 640px;
  margin-bottom: 34px;
}

.hero-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 14px;
}

.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 10px;
  padding: 13px 28px;
  border-radius: 30px;
  font-size: 15px;
  font-weight: 700;
  transition: all var(--transition);
  cursor: pointer;
  line-height: 1.4;
}

.btn-primary {
  background: var(--primary);
  color: #fff;
  box-shadow: 0 8px 22px rgba(37, 99, 235, 0.35);
}

.btn-primary:hover {
  background: var(--primary-dark);
  transform: translateY(-3px);
  box-shadow: 0 12px 30px rgba(37, 99, 235, 0.45);
}

.btn-light {
  background: rgba(255, 255, 255, 0.15);
  color: #fff;
  border: 1px solid rgba(255, 255, 255, 0.35);
  backdrop-filter: blur(8px);
}

.btn-light:hover {
  background: rgba(255, 255, 255, 0.28);
  transform: translateY(-3px);
}

/* ============ Stats Section ============ */
.stats-section {
  padding: var(--space-section) 0 70px;
  margin-top: -40px;
  position: relative;
  z-index: 5;
}

.stats-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 24px;
}

.stat-card {
  background: var(--white);
  border-radius: var(--radius-lg);
  padding: 36px 28px;
  text-align: center;
  box-shadow: var(--shadow);
  border: 1px solid rgba(255, 255, 255, 0.8);
  transition: all var(--transition);
  position: relative;
  overflow: hidden;
}

.stat-card::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  height: 4px;
  background: linear-gradient(90deg, var(--primary), var(--accent));
  opacity: 0;
  transition: opacity var(--transition);
}

.stat-card:hover {
  transform: translateY(-6px);
  box-shadow: var(--shadow-lg);
}

.stat-card:hover::before {
  opacity: 1;
}

.stat-icon {
  width: 52px;
  height: 52px;
  margin: 0 auto 16px;
  display: flex;
  align-items: center;
  justify-content: center;
  border-radius: 16px;
  font-size: 20px;
  background: var(--bg-soft);
  color: var(--primary);
}

.stat-number {
  font-size: 34px;
  font-weight: 800;
  color: var(--dark);
  line-height: 1.2;
  letter-spacing: -0.5px;
}

.stat-label {
  font-size: 14px;
  color: var(--text-muted);
  margin-top: 6px;
}

/* ============ Section Common ============ */
.section {
  padding: var(--space-section) 0;
}

.section-head {
  max-width: 680px;
  margin: 0 auto 56px;
  text-align: center;
}

.section-tag {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 6px 16px;
  background: var(--bg-soft);
  color: var(--primary);
  border-radius: 30px;
  font-size: 13px;
  font-weight: 700;
  letter-spacing: 0.6px;
  margin-bottom: 16px;
}

.section-head h2 {
  font-size: 34px;
  font-weight: 800;
  color: var(--dark);
  line-height: 1.3;
  letter-spacing: -0.5px;
  margin-bottom: 14px;
}

.section-head p {
  font-size: 16px;
  color: var(--text-muted);
  line-height: 1.8;
}

/* ============ Service Cards ============ */
.service-section {
  padding: 80px 0 0;
}

.services-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 28px;
}

.service-card {
  background: var(--white);
  border-radius: var(--radius-lg);
  overflow: hidden;
  box-shadow: var(--shadow-sm);
  border: 1px solid var(--border);
  transition: all var(--transition);
  display: flex;
  flex-direction: column;
}

.service-card:hover {
  transform: translateY(-6px);
  box-shadow: var(--shadow-lg);
  border-color: transparent;
}

.service-card-img {
  height: 180px;
  overflow: hidden;
  position: relative;
}

.service-card-img img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: transform 0.5s ease;
}

.service-card:hover .service-card-img img {
  transform: scale(1.06);
}

.service-card-img::after {
  content: '';
  position: absolute;
  inset: 0;
  background: linear-gradient(180deg, transparent 55%, rgba(15, 23, 42, 0.35));
}

.service-card-body {
  padding: 26px;
  flex: 1;
  display: flex;
  flex-direction: column;
}

.service-card-body h3 {
  font-size: 18px;
  font-weight: 700;
  color: var(--dark);
  margin-bottom: 10px;
}

.service-card-body p {
  font-size: 14px;
  color: var(--text-muted);
  line-height: 1.75;
  flex: 1;
}

.service-card-meta {
  display: flex;
  align-items: center;
  justify-content: space-between;
  margin-top: 18px;
  padding-top: 16px;
  border-top: 1px dashed var(--border);
}

.service-card-meta .tag {
  padding: 4px 12px;
  background: var(--bg-soft);
  color: var(--primary);
  border-radius: 20px;
  font-size: 12px;
  font-weight: 600;
}

.service-card-meta .link-more {
  font-size: 13px;
  font-weight: 600;
  color: var(--primary);
  display: inline-flex;
  align-items: center;
  gap: 6px;
  transition: gap var(--transition);
}

.service-card-meta .link-more:hover {
  gap: 10px;
}

/* ============ Workflow Timeline ============ */
.workflow-section {
  background: linear-gradient(180deg, var(--bg) 0%, var(--bg-soft) 100%);
  border-top: 1px solid var(--border);
  border-bottom: 1px solid var(--border);
  padding: 84px 0;
}

.workflow-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 24px;
  counter-reset: step;
}

.workflow-item {
  position: relative;
  background: var(--white);
  border-radius: var(--radius);
  padding: 34px 26px;
  box-shadow: var(--shadow-sm);
  border: 1px solid var(--border);
  transition: all var(--transition);
}

.workflow-item:hover {
  transform: translateY(-5px);
  box-shadow: var(--shadow);
  border-color: rgba(37, 99, 235, 0.3);
}

.workflow-item::before {
  counter-increment: step;
  content: counter(step);
  position: absolute;
  top: -18px;
  right: 24px;
  width: 38px;
  height: 38px;
  background: linear-gradient(135deg, var(--primary), var(--primary-light));
  color: #fff;
  font-size: 16px;
  font-weight: 800;
  display: flex;
  align-items: center;
  justify-content: center;
  border-radius: 50%;
  box-shadow: 0 6px 16px rgba(37, 99, 235, 0.3);
}

.workflow-item .wf-icon {
  width: 48px;
  height: 48px;
  display: flex;
  align-items: center;
  justify-content: center;
  border-radius: 14px;
  font-size: 19px;
  background: var(--bg-soft);
  color: var(--primary);
  margin-bottom: 18px;
}

.workflow-item h3 {
  font-size: 17px;
  font-weight: 700;
  color: var(--dark);
  margin-bottom: 8px;
}

.workflow-item p {
  font-size: 14px;
  color: var(--text-muted);
  line-height: 1.7;
}

/* ============ FAQ ============ */
.faq-section {
  padding: var(--space-section) 0;
}

.faq-layout {
  max-width: 860px;
  margin: 0 auto;
}

.faq-item {
  background: var(--white);
  border-radius: var(--radius);
  border: 1px solid var(--border);
  margin-bottom: 14px;
  box-shadow: var(--shadow-sm);
  overflow: hidden;
  transition: all var(--transition);
}

.faq-item:hover {
  border-color: rgba(37, 99, 235, 0.25);
}

.faq-item.open {
  border-color: rgba(37, 99, 235, 0.4);
  box-shadow: var(--shadow);
}

.faq-question {
  width: 100%;
  text-align: left;
  padding: 22px 26px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 16px;
  cursor: pointer;
  font-size: 16px;
  font-weight: 600;
  color: var(--dark);
  background: transparent;
  transition: color var(--transition);
}

.faq-question:hover {
  color: var(--primary);
}

.faq-icon {
  width: 30px;
  height: 30px;
  flex-shrink: 0;
  display: flex;
  align-items: center;
  justify-content: center;
  background: var(--bg-soft);
  border-radius: 50%;
  color: var(--primary);
  font-size: 12px;
  transition: all var(--transition);
}

.faq-item.open .faq-icon {
  background: var(--primary);
  color: #fff;
  transform: rotate(180deg);
}

.faq-answer {
  max-height: 0;
  overflow: hidden;
  transition: max-height 0.4s ease;
}

.faq-answer-inner {
  padding: 0 26px 22px;
  font-size: 15px;
  color: var(--text-muted);
  line-height: 1.8;
  border-top: 1px dashed var(--border);
  padding-top: 18px;
  margin-top: 0;
}

/* ============ CTA Section ============ */
.cta-section {
  padding: 70px 0 90px;
}

.cta-box {
  position: relative;
  background: linear-gradient(120deg, rgba(15, 23, 42, 0.93), rgba(37, 99, 235, 0.88)), url('/assets/images/backpic/back-1.png') center/cover no-repeat;
  border-radius: 28px;
  padding: 70px 60px;
  color: #fff;
  overflow: hidden;
  box-shadow: var(--shadow-lg);
}

.cta-box::after {
  content: '';
  position: absolute;
  right: -80px;
  bottom: -80px;
  width: 260px;
  height: 260px;
  border-radius: 50%;
  background: radial-gradient(circle, rgba(249, 115, 22, 0.45), transparent 70%);
}

.cta-inner {
  position: relative;
  z-index: 2;
  display: flex;
  align-items: center;
  justify-content: space-between;
  flex-wrap: wrap;
  gap: 30px;
}

.cta-text h2 {
  font-size: 32px;
  font-weight: 800;
  line-height: 1.3;
  margin-bottom: 12px;
}

.cta-text p {
  font-size: 16px;
  color: rgba(255, 255, 255, 0.85);
  max-width: 520px;
  line-height: 1.8;
}

.cta-actions {
  display: flex;
  flex-direction: column;
  gap: 12px;
}

.cta-btn {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  padding: 14px 30px;
  border-radius: 30px;
  font-size: 15px;
  font-weight: 700;
  transition: all var(--transition);
}

.cta-btn-accent {
  background: var(--accent);
  color: #fff;
  box-shadow: 0 8px 24px rgba(249, 115, 22, 0.4);
}

.cta-btn-accent:hover {
  background: var(--accent-dark);
  transform: translateY(-3px);
  box-shadow: 0 12px 32px rgba(249, 115, 22, 0.5);
}

.cta-btn-outline {
  border: 1.5px solid rgba(255, 255, 255, 0.4);
  color: #fff;
  background: rgba(255, 255, 255, 0.1);
}

.cta-btn-outline:hover {
  background: rgba(255, 255, 255, 0.2);
  transform: translateY(-3px);
}

/* ============ Footer ============ */
.site-footer {
  background: var(--dark);
  color: rgba(255, 255, 255, 0.75);
  padding: 70px 0 0;
}

.footer-top {
  display: grid;
  grid-template-columns: 2fr 1fr 1.2fr;
  gap: 50px;
  padding-bottom: 50px;
  border-bottom: 1px solid rgba(255, 255, 255, 0.1);
}

.footer-brand .logo-icon {
  margin-bottom: 16px;
}

.footer-brand .logo-text {
  color: #fff;
  font-size: 22px;
}

.footer-brand p {
  font-size: 14px;
  line-height: 1.8;
  color: rgba(255, 255, 255, 0.55);
  max-width: 340px;
  margin-top: 14px;
}

.footer-links h4, .footer-contact h4 {
  font-size: 16px;
  font-weight: 700;
  color: #fff;
  margin-bottom: 20px;
}

.footer-links a {
  display: block;
  font-size: 14px;
  color: rgba(255, 255, 255, 0.6);
  padding: 6px 0;
  transition: all var(--transition);
}

.footer-links a:hover {
  color: var(--accent);
  padding-left: 6px;
}

.footer-contact p {
  font-size: 14px;
  color: rgba(255, 255, 255, 0.6);
  margin-bottom: 10px;
  display: flex;
  align-items: center;
  gap: 10px;
}

.footer-contact p i {
  color: var(--primary-light);
  width: 18px;
}

.footer-bottom {
  padding: 24px 0;
  text-align: center;
  font-size: 13px;
  color: rgba(255, 255, 255, 0.35);
}

.footer-bottom a {
  color: rgba(255, 255, 255, 0.5);
}

.footer-bottom a:hover {
  color: var(--accent);
}

/* ============ Responsive ============ */
@media screen and (max-width: 1024px) {
  .stats-grid {
    grid-template-columns: repeat(2, 1fr);
    gap: 18px;
  }

  .services-grid {
    grid-template-columns: repeat(2, 1fr);
    gap: 22px;
  }

  .workflow-grid {
    grid-template-columns: repeat(2, 1fr);
    gap: 22px;
  }

  .cta-box {
    padding: 50px 40px;
  }
}

@media screen and (max-width: 768px) {
  :root {
    --space-section: 70px;
  }

  .header-inner {
    flex-wrap: wrap;
    height: auto;
    padding: 14px 0;
  }

  .nav-toggle {
    display: inline-flex;
  }

  .header-cta {
    display: none;
  }

  .main-nav {
    display: none;
    width: 100%;
    flex-direction: column;
    align-items: stretch;
    background: var(--white);
    border-radius: 16px;
    box-shadow: var(--shadow);
    border: 1px solid var(--border);
    padding: 14px;
    gap: 4px;
  }

  .main-nav.open {
    display: flex;
  }

  .nav-link {
    border-radius: 10px;
    text-align: center;
    padding: 12px;
    font-size: 15px;
  }

  .page-hero {
    padding: 80px 0 60px;
  }

  .page-hero h1 {
    font-size: 32px;
  }

  .page-hero p.lead {
    font-size: 16px;
  }

  .section-head h2 {
    font-size: 28px;
  }

  .footer-top {
    grid-template-columns: 1fr;
    gap: 34px;
  }

  .cta-box {
    padding: 40px 28px;
  }

  .cta-inner {
    flex-direction: column;
    align-items: flex-start;
  }

  .cta-text h2 {
    font-size: 26px;
  }

  .cta-actions {
    width: 100%;
  }

  .cta-btn {
    width: 100%;
    justify-content: center;
  }
}

@media screen and (max-width: 520px) {
  .container {
    padding: 0 18px;
  }

  .logo-text {
    font-size: 16px;
  }

  .logo-icon {
    width: 34px;
    height: 34px;
    font-size: 14px;
  }

  .page-hero h1 {
    font-size: 26px;
  }

  .hero-actions {
    flex-direction: column;
    width: 100%;
  }

  .hero-actions .btn {
    width: 100%;
  }

  .stats-grid {
    grid-template-columns: 1fr;
  }

  .services-grid,
  .workflow-grid {
    grid-template-columns: 1fr;
  }

  .section-head h2 {
    font-size: 24px;
  }

  .faq-question {
    padding: 18px;
    font-size: 15px;
  }

  .faq-answer-inner {
    padding: 0 18px 18px;
  }

  .cta-box {
    border-radius: 20px;
    padding: 34px 22px;
  }

  .cta-text h2 {
    font-size: 22px;
  }
}

/* roulang page: article */
:root {
  --primary: #1B5BFF;
  --primary-dark: #0E3EAD;
  --primary-light: #EAF0FF;
  --accent: #06B6DD;
  --accent-light: #DDF8FE;
  --dark: #0B1424;
  --dark-2: #101E38;
  --bg: #F3F6FC;
  --card-bg: #FFFFFF;
  --text-main: #16283A;
  --text-light: #5C6F84;
  --text-muted: #8A9AAE;
  --border: #E3E8F1;
  --radius-sm: 8px;
  --radius: 14px;
  --radius-lg: 22px;
  --shadow-sm: 0 2px 10px rgba(13,27,48,.06);
  --shadow: 0 10px 34px rgba(13,27,48,.08);
  --shadow-lg: 0 18px 50px rgba(13,27,48,.12);
  --space-section: clamp(3rem, 7vw, 5.5rem);
  --header-h: 76px;
  --font-main: -apple-system, BlinkMacSystemFont, "Segoe UI", "PingFang SC", "Hiragino Sans GB", "Microsoft YaHei", "Helvetica Neue", Arial, sans-serif;
}

*, *::before, *::after {
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
}

body {
  margin: 0;
  font-family: var(--font-main);
  color: var(--text-main);
  background: var(--bg);
  line-height: 1.7;
  font-size: 16px;
  -webkit-font-smoothing: antialiased;
}

img {
  max-width: 100%;
  display: inline-block;
  vertical-align: middle;
}

a {
  color: var(--primary);
  text-decoration: none;
  transition: color .25s;
}

a:hover {
  color: var(--primary-dark);
}

button, input, select, textarea {
  font-family: inherit;
  font-size: inherit;
}

.container {
  max-width: 1200px;
  margin: 0 auto;
  padding: 0 32px;
}

.grid-margin-x > .cell {
  margin-bottom: 28px;
}

/* ========== Buttons ========== */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  padding: 12px 26px;
  border: 2px solid transparent;
  border-radius: 999px;
  font-size: 15px;
  font-weight: 600;
  line-height: 1.4;
  cursor: pointer;
  transition: all .25s ease;
  text-decoration: none;
}

.btn-primary {
  background: var(--primary);
  color: #fff;
  border-color: var(--primary);
  box-shadow: 0 6px 24px rgba(27,91,255,.28);
}

.btn-primary:hover, .btn-primary:focus {
  background: var(--primary-dark);
  border-color: var(--primary-dark);
  color: #fff;
  box-shadow: 0 10px 32px rgba(27,91,255,.36);
  transform: translateY(-2px);
}

.btn-outline {
  background: transparent;
  border-color: rgba(255,255,255,.65);
  color: #fff;
}

.btn-outline:hover, .btn-outline:focus {
  background: rgba(255,255,255,.12);
  border-color: #fff;
  color: #fff;
  transform: translateY(-2px);
}

.btn-ghost {
  background: transparent;
  border-color: var(--border);
  color: var(--primary);
}

.btn-ghost:hover, .btn-ghost:focus {
  border-color: var(--primary);
  background: var(--primary-light);
  color: var(--primary-dark);
}

/* ========== Badge ========== */
.badge {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  padding: 4px 12px;
  border-radius: 999px;
  font-size: 12px;
  font-weight: 600;
  line-height: 1.6;
  background: var(--primary-light);
  color: var(--primary-dark);
}

.badge-accent {
  background: var(--accent-light);
  color: #0687A6;
}

.badge-dark {
  background: rgba(255,255,255,.12);
  color: #fff;
}

/* ========== Header ========== */
.site-header {
  position: sticky;
  top: 0;
  z-index: 100;
  background: rgba(255,255,255,.92);
  backdrop-filter: blur(20px);
  -webkit-backdrop-filter: blur(20px);
  border-bottom: 1px solid rgba(227,232,241,.7);
  box-shadow: 0 2px 16px rgba(13,27,48,.04);
}

.header-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: var(--header-h);
  gap: 24px;
}

.brand {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  text-decoration: none;
  flex-shrink: 0;
}

.brand-icon {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 40px;
  height: 40px;
  border-radius: 12px;
  background: linear-gradient(135deg, var(--primary), var(--accent));
  color: #fff;
  font-size: 18px;
  box-shadow: 0 6px 20px rgba(27,91,255,.25);
}

.brand-text {
  font-size: 19px;
  font-weight: 700;
  color: var(--dark);
  letter-spacing: .5px;
  white-space: nowrap;
}

.main-nav {
  display: flex;
  align-items: center;
  gap: 8px;
}

.nav-link {
  padding: 8px 18px;
  border-radius: 999px;
  font-size: 15px;
  font-weight: 500;
  color: var(--text-light);
  text-decoration: none;
  transition: all .22s;
  white-space: nowrap;
}

.nav-link:hover {
  color: var(--primary);
  background: var(--primary-light);
}

.nav-link.active {
  color: #fff;
  background: var(--primary);
  box-shadow: 0 4px 16px rgba(27,91,255,.28);
}

.header-cta {
  padding: 9px 22px;
  border-radius: 999px;
  font-size: 14px;
  font-weight: 600;
  background: var(--dark);
  color: #fff;
  text-decoration: none;
  display: inline-flex;
  align-items: center;
  gap: 8px;
  transition: all .25s;
  white-space: nowrap;
  flex-shrink: 0;
}

.header-cta:hover {
  background: var(--primary);
  color: #fff;
  transform: translateY(-2px);
  box-shadow: 0 8px 24px rgba(27,91,255,.28);
}

.nav-toggle {
  display: none;
  background: none;
  border: 1px solid var(--border);
  border-radius: 10px;
  width: 44px;
  height: 44px;
  align-items: center;
  justify-content: center;
  font-size: 18px;
  color: var(--dark);
  cursor: pointer;
  transition: all .22s;
}

.nav-toggle:hover {
  background: var(--primary-light);
  color: var(--primary);
}

.nav-toggle.active i::before {
  content: "\f00d";
}

/* ========== Article Hero ========== */
.article-hero {
  position: relative;
  background-size: cover;
  background-position: center;
  padding: clamp(56px, 9vw, 90px) 0;
  overflow: hidden;
}

.hero-overlay {
  position: absolute;
  inset: 0;
  background: linear-gradient(120deg, rgba(10,16,34,.88) 0%, rgba(16,32,68,.72) 55%, rgba(6,182,221,.32) 100%);
}

.hero-content {
  position: relative;
  z-index: 2;
  color: #fff;
  max-width: 860px;
}

.breadcrumb {
  display: flex;
  align-items: center;
  flex-wrap: wrap;
  gap: 8px;
  font-size: 13px;
  color: rgba(255,255,255,.75);
  margin-bottom: 24px;
}

.breadcrumb a {
  color: rgba(255,255,255,.85);
  text-decoration: none;
}

.breadcrumb a:hover {
  color: #fff;
}

.breadcrumb i {
  font-size: 12px;
  opacity: .7;
}

.article-title {
  font-size: clamp(1.8rem, 4vw, 3rem);
  font-weight: 800;
  line-height: 1.3;
  letter-spacing: .5px;
  margin: 0 0 20px;
  text-shadow: 0 2px 20px rgba(0,0,0,.18);
}

.article-hero-meta {
  display: flex;
  flex-wrap: wrap;
  gap: 12px 24px;
  align-items: center;
}

.meta-chip {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 6px 16px;
  border-radius: 999px;
  background: rgba(255,255,255,.14);
  border: 1px solid rgba(255,255,255,.18);
  backdrop-filter: blur(8px);
  font-size: 13px;
  color: rgba(255,255,255,.92);
}

.meta-chip i {
  color: #7FD5FF;
}

.meta-chip a {
  color: #fff;
}

.meta-chip a:hover {
  text-decoration: underline;
}

/* ========== Article Main ========== */
.article-main {
  padding: var(--space-section) 0;
}

.article-card {
  background: var(--card-bg);
  border-radius: var(--radius-lg);
  box-shadow: var(--shadow);
  padding: clamp(24px, 4vw, 52px);
  border: 1px solid rgba(227,232,241,.7);
  transition: box-shadow .3s;
}

.article-content {
  font-size: 16px;
  line-height: 1.9;
  color: #233447;
}

.article-content h2 {
  font-size: 1.5rem;
  font-weight: 700;
  margin: 36px 0 16px;
  color: var(--dark);
  padding-bottom: 10px;
  border-bottom: 2px solid var(--primary-light);
  line-height: 1.4;
}

.article-content h3 {
  font-size: 1.25rem;
  font-weight: 700;
  margin: 28px 0 12px;
  color: var(--dark);
}

.article-content p {
  margin: 0 0 20px;
}

.article-content ul, .article-content ol {
  margin: 0 0 24px;
  padding-left: 24px;
}

.article-content li {
  margin-bottom: 10px;
}

.article-content li::marker {
  color: var(--primary);
}

.article-content blockquote {
  margin: 28px 0;
  padding: 20px 28px;
  border-left: 4px solid var(--primary);
  background: var(--primary-light);
  border-radius: 0 var(--radius-sm) var(--radius-sm) 0;
  color: #42506B;
  font-style: normal;
}

.article-content img {
  border-radius: var(--radius);
  box-shadow: var(--shadow-sm);
  margin: 28px 0;
}

.article-content a {
  color: var(--primary);
  font-weight: 500;
  border-bottom: 1px solid rgba(27,91,255,.28);
  transition: all .2s;
}

.article-content a:hover {
  border-bottom-color: var(--primary);
}

.article-content pre, .article-content code {
  background: #0F1B30;
  color: #E5F6FF;
  border-radius: var(--radius-sm);
  font-family: "SFMono-Regular", Consolas, "Liberation Mono", Menlo, monospace;
}

.article-content pre {
  padding: 20px 24px;
  overflow-x: auto;
  margin: 24px 0;
  box-shadow: var(--shadow);
}

.article-content code {
  padding: 3px 8px;
  font-size: .9em;
}

.article-content pre code {
  padding: 0;
  background: transparent;
}

/* ========== Tags / Share ========== */
.article-tags {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 10px;
  margin-top: 36px;
  padding-top: 28px;
  border-top: 1px solid var(--border);
}

.tags-label {
  font-size: 14px;
  font-weight: 600;
  color: var(--text-light);
  margin-right: 4px;
}

.tag-link {
  display: inline-block;
  padding: 5px 14px;
  border-radius: 999px;
  background: var(--bg);
  border: 1px solid var(--border);
  font-size: 13px;
  color: var(--text-light);
  text-decoration: none;
  transition: all .2s;
}

.tag-link:hover {
  background: var(--primary-light);
  border-color: var(--primary);
  color: var(--primary-dark);
}

.article-share {
  display: flex;
  align-items: center;
  gap: 14px;
  margin-top: 22px;
  padding-top: 22px;
  border-top: 1px solid var(--border);
}

.share-label {
  font-size: 14px;
  font-weight: 600;
  color: var(--text-light);
}

.share-list {
  display: flex;
  gap: 10px;
}

.share-btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 36px;
  height: 36px;
  border-radius: 50%;
  background: var(--bg);
  color: var(--text-light);
  font-size: 14px;
  text-decoration: none;
  transition: all .22s;
  border: 1px solid var(--border);
}

.share-btn:hover {
  background: var(--primary);
  color: #fff;
  border-color: var(--primary);
  transform: translateY(-3px);
  box-shadow: 0 6px 18px rgba(27,91,255,.25);
}

/* ========== Not Found ========== */
.not-found {
  text-align: center;
  padding: 24px 8px 8px;
}

.not-found i {
  font-size: 48px;
  color: var(--border);
  margin-bottom: 16px;
}

.not-found h2 {
  font-size: 1.5rem;
  color: var(--dark);
  margin-bottom: 10px;
}

.not-found p {
  color: var(--text-light);
  margin-bottom: 24px;
  max-width: 400px;
  margin-left: auto;
  margin-right: auto;
}

/* ========== Sidebar ========== */
.sidebar-widget {
  background: var(--card-bg);
  border-radius: var(--radius-lg);
  box-shadow: var(--shadow-sm);
  padding: 28px;
  margin-bottom: 28px;
  border: 1px solid rgba(227,232,241,.65);
  transition: box-shadow .3s;
}

.sidebar-widget:hover {
  box-shadow: var(--shadow);
}

.widget-title {
  display: flex;
  align-items: center;
  gap: 10px;
  font-size: 17px;
  font-weight: 700;
  color: var(--dark);
  margin: 0 0 22px;
  padding-bottom: 14px;
  border-bottom: 2px solid var(--primary-light);
}

.widget-title i {
  color: var(--primary);
  font-size: 16px;
}

.widget-title .line {
  flex: 1;
  height: 1px;
  background: var(--border);
}

.info-list {
  list-style: none;
  padding: 0;
  margin: 0;
}

.info-list li {
  display: flex;
  justify-content: space-between;
  gap: 12px;
  padding: 11px 0;
  border-bottom: 1px dashed var(--border);
  font-size: 14px;
}

.info-list li:last-child {
  border-bottom: none;
}

.info-list .info-label {
  color: var(--text-light);
  display: inline-flex;
  align-items: center;
  gap: 8px;
}

.info-list .info-label i {
  color: var(--primary);
  width: 16px;
  font-size: 13px;
}

.info-list .info-value {
  font-weight: 600;
  color: var(--text-main);
  text-align: right;
}

.service-mini-card {
  display: flex;
  align-items: center;
  gap: 14px;
  padding: 14px;
  border-radius: var(--radius);
  background: var(--bg);
  border: 1px solid var(--border);
  margin-bottom: 12px;
  transition: all .25s;
  text-decoration: none;
  color: var(--text-main);
}

.service-mini-card:hover {
  background: var(--primary-light);
  border-color: rgba(27,91,255,.35);
  transform: translateX(4px);
  color: var(--text-main);
}

.service-mini-card .mini-icon {
  width: 40px;
  height: 40px;
  border-radius: 12px;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  font-size: 17px;
  flex-shrink: 0;
}

.mini-blue {
  background: var(--primary-light);
  color: var(--primary);
}

.mini-cyan {
  background: var(--accent-light);
  color: #0687A6;
}

.mini-dark {
  background: #EAF1FA;
  color: var(--dark);
}

.service-mini-card .mini-title {
  font-size: 14px;
  font-weight: 600;
  margin-bottom: 2px;
}

.service-mini-card .mini-sub {
  font-size: 12px;
  color: var(--text-light);
}

.contact-widget {
  background: linear-gradient(135deg, #0D1B36, #162A55 60%, #0B5C8F);
  border-radius: var(--radius-lg);
  padding: 30px;
  color: #fff;
  position: relative;
  overflow: hidden;
}

.contact-widget::after {
  content: "\f3ed";
  font-family: "Font Awesome 6 Free";
  font-weight: 900;
  position: absolute;
  right: -18px;
  bottom: -18px;
  font-size: 92px;
  opacity: .08;
  color: #fff;
}

.contact-widget h3 {
  font-size: 18px;
  margin-bottom: 10px;
  font-weight: 700;
}

.contact-widget p {
  font-size: 14px;
  color: rgba(255,255,255,.75);
  margin-bottom: 20px;
  line-height: 1.6;
}

.contact-widget .btn {
  width: 100%;
}

.contact-phone {
  display: flex;
  align-items: center;
  gap: 10px;
  font-size: 16px;
  font-weight: 600;
  margin-top: 16px;
  padding-top: 16px;
  border-top: 1px solid rgba(255,255,255,.15);
  color: #fff;
}

.contact-phone i {
  color: #7FD5FF;
}

/* ========== Bottom CTA ========== */
.cta-section {
  background: var(--dark-2);
  position: relative;
  overflow: hidden;
  padding: clamp(48px, 7vw, 76px) 0;
  background-image: url('/assets/images/backpic/back-2.png');
  background-size: cover;
  background-position: center;
  background-attachment: fixed;
}

.cta-overlay {
  position: absolute;
  inset: 0;
  background: linear-gradient(120deg, rgba(10,16,34,.92), rgba(17,34,70,.78));
}

.cta-content {
  position: relative;
  z-index: 2;
  text-align: center;
  color: #fff;
  max-width: 700px;
  margin: 0 auto;
}

.cta-content h2 {
  font-size: clamp(1.6rem, 3.4vw, 2.4rem);
  font-weight: 800;
  margin-bottom: 16px;
  letter-spacing: .5px;
}

.cta-content p {
  font-size: 15px;
  color: rgba(255,255,255,.75);
  margin-bottom: 28px;
  line-height: 1.8;
}

.cta-buttons {
  display: flex;
  gap: 14px;
  justify-content: center;
  flex-wrap: wrap;
}

/* ========== Footer ========== */
.site-footer {
  background: #081020;
  color: #9BABC1;
  padding: 60px 0 0;
  font-size: 14px;
}

.footer-top {
  display: grid;
  grid-template-columns: 1.4fr 1fr 1.1fr;
  gap: 44px;
  padding-bottom: 44px;
  border-bottom: 1px solid rgba(255,255,255,.08);
}

.footer-brand {
  max-width: 360px;
}

.footer-brand .brand {
  margin-bottom: 16px;
}

.footer-brand .brand-text {
  color: #fff;
}

.footer-brand p {
  color: #7E8FA8;
  line-height: 1.8;
  margin: 12px 0 0;
}

.footer-links h4, .footer-contact h4 {
  color: #fff;
  font-size: 15px;
  font-weight: 700;
  margin-bottom: 18px;
  letter-spacing: .5px;
}

.footer-links a {
  display: block;
  color: #7E8FA8;
  text-decoration: none;
  padding: 5px 0;
  transition: all .22s;
}

.footer-links a:hover {
  color: #fff;
  padding-left: 6px;
}

.footer-contact p {
  display: flex;
  align-items: center;
  gap: 10px;
  margin-bottom: 10px;
  color: #7E8FA8;
}

.footer-contact i {
  color: var(--accent);
  width: 18px;
}

.footer-bottom {
  padding: 20px 0;
  text-align: center;
  color: #5B6C85;
  font-size: 13px;
  border-top: 1px solid rgba(255,255,255,.06);
}

.footer-bottom a {
  color: #7E8FA8;
}

.footer-bottom a:hover {
  color: #fff;
}

/* ========== Responsive ========== */
@media (max-width: 1024px) {
  .nav-toggle {
    display: inline-flex;
  }

  .main-nav {
    position: fixed;
    top: var(--header-h);
    right: 16px;
    left: 16px;
    display: flex;
    flex-direction: column;
    align-items: stretch;
    gap: 6px;
    background: #fff;
    border-radius: 18px;
    box-shadow: var(--shadow-lg);
    padding: 16px;
    border: 1px solid var(--border);
    opacity: 0;
    visibility: hidden;
    transform: translateY(-16px);
    transition: all .3s ease;
    z-index: 90;
  }

  .main-nav.open {
    opacity: 1;
    visibility: visible;
    transform: translateY(0);
  }

  .main-nav .nav-link {
    border-radius: 12px;
    padding: 12px 16px;
  }

  .header-cta {
    display: none;
  }

  .footer-top {
    grid-template-columns: 1fr 1fr;
    gap: 32px;
  }
}

@media (max-width: 768px) {
  .container {
    padding: 0 20px;
  }

  .footer-top {
    grid-template-columns: 1fr;
    gap: 28px;
  }

  .article-card {
    padding: 22px 18px;
  }

  .sidebar-widget, .contact-widget {
    padding: 22px;
  }

  .article-hero {
    padding: 44px 0;
  }

  .article-title {
    font-size: 1.6rem;
  }

  .cta-buttons {
    flex-direction: column;
  }

  .cta-buttons .btn {
    width: 100%;
  }
}

@media (max-width: 520px) {
  .container {
    padding: 0 16px;
  }

  .brand-text {
    font-size: 17px;
  }

  .header-cta {
    display: none;
  }

  .article-title {
    font-size: 1.4rem;
  }

  .article-hero-meta {
    gap: 8px;
  }

  .meta-chip {
    padding: 5px 12px;
    font-size: 12px;
  }

  .footer-top {
    grid-template-columns: 1fr;
  }

  .footer-bottom {
    font-size: 12px;
  }
}

/* Focus state */
a:focus-visible, button:focus-visible {
  outline: 3px solid rgba(27,91,255,.45);
  outline-offset: 2px;
  border-radius: 4px;
}